US5656502A — Test strip holder and method of use

Claim 1

Independent Claim 138 words

A test strip holding apparatus, comprising: an elongated hollow member having an open end and a closed end; a support configured to hold a test strip within the elongated hollow member in a position spaced from inner walls of the elongated hollow member; and at least one vent positioned between the open end and the closed end, said at least one vent being spaced from the open end and the closed end, wherein said at least one vent vents the elongated hollow member at a distance from the closed end and by air pressure in the closed end limits a maximum height that a liquid can travel through said elongated hollow member from said open end toward said closed end other than by capillary force along a test strip when said open end is dipped into said liquid.

Claim 2

Dependent Claim 138 words

A test strip holding apparatus, comprising: an elongated hollow member having an open end and a closed end; a support configured to hold a test strip within the elongated hollow member in a position spaced from inner walls of the elongated hollow member; and at least one vent positioned between the open end and the closed end, said at least one vent being spaced from the open end and the closed end, wherein said at least one vent vents the elongated hollow member at a distance from the closed end and by air pressure in the closed end limits a maximum height that a liquid can travel through said elongated hollow member from said open end toward said closed end other than by capillary force along a test strip when said open end is dipped into said liquid.

Claim 3

Dependent Claim 17 words

The apparatus according to claim 1, wherein the at least one vent comprises a plurality of vents.

Claim 4

Dependent Claim 15 words

An apparatus according to claim 1, wherein the elongated hollow member has a circular cross-section.

Claim 5

Dependent Claim 19 words

An apparatus according to claim 1, wherein the closed end is formed by walls of the elongated hollow member.

Claim 6

Dependent Claim 16 words

An apparatus according to claim 1, wherein the closed end is closed by a sealing plug.

Claim 7

Dependent Claim 27 words

An apparatus according to claim 1, wherein the open end includes a plug having a through passage inserted into the open end of the elongated hollow member.

Claim 8

Dependent Claim 17 words

An apparatus according to claim 6, wherein the plug defines at least a portion of the support.

Claim 9

Dependent Claim 44 words

An apparatus according to claim 6, wherein the through passage has a diameter substantially equivalent to the width of the test strip to frictionally support the test strip within the through passage of the plug, spaced from inner walls of the elongated hollow member.

Claim 10

Dependent Claim 15 words

An apparatus according to claim 1, further including a test strip held by the support.

Claim 11

Dependent Claim 37 words

An apparatus according to claim 1, wherein the elongated hollow member includes a test strip receiving part and a test strip covering part, wherein the test strip receiving part is connectable to the test strip covering part.

Claim 12

Dependent Claim 48 words

An apparatus according to claim 10, wherein the elongated hollow member includes a test strip receiving part, including a flat surface and a test strip covering part including another flat surface complimentary with the flat surface, wherein the flat surface and the another flat surface are sealed together.

Claim 13

Dependent Claim 64 words

An apparatus according to claim 10, wherein one of the test strip covering part and the test strip receiving part includes a groove and the other of the test strip covering part and the test strip receiving part includes a projection, the projection being configured to sealingly fit into the groove, wherein the groove and projection fit together to define the elongated hollow member.

Claim 14

Dependent Claim 32 words

An apparatus according to claim 10, wherein the test strip receiving part includes a test strip channel configured to receive the test strip, the support being located within the test strip channel.

Claim 15

Dependent Claim 25 words

An apparatus according to claim 13, further including a stop proximate the open end capable of maintaining the test strip within the test strip channel.

Claim 16

Dependent Claim 27 words

An apparatus according to claim 13, wherein the channel comprises a center planar support surface surrounded by raised side portions that constrain movement of a test strip.

Claim 17

Dependent Claim 20 words

An apparatus according to claim 10, wherein the at least one vent is formed in the test strip covering part.

Claim 18

Independent Claim 176 words

A method of testing a liquid using a test strip within a test strip holder, the method comprising the steps of: supporting a test strip within an elongated hollow member having an open end, a closed end and a sidewall with at least one vent in the sidewall between and spaced from the open end and the closed end, the test strip being spaced from inner walls of the elongated hollow member; immersing the elongated hollow member into a liquid to be tested to at least a depth of the at least one vent, wherein said at least one vent vents the elongated hollow member at a distance from the closed end and by air pressure in the closed end limits a maximum height that said liquid travels through said elongated hollow member from said open end toward said closed end other than by capillary force along said test strip when said open end is dipped into said liquid; and observing an effect of the liquid on the test strip above the at least one vent.

Claim 19

Independent Claim 176 words

A method of testing a liquid using a test strip within a test strip holder, the method comprising the steps of: supporting a test strip within an elongated hollow member having an open end, a closed end and a sidewall with at least one vent in the sidewall between and spaced from the open end and the closed end, the test strip being spaced from inner walls of the elongated hollow member; immersing the elongated hollow member into a liquid to be tested to at least a depth of the at least one vent, wherein said at least one vent vents the elongated hollow member at a distance from the closed end and by air pressure in the closed end limits a maximum height that said liquid travels through said elongated hollow member from said open end toward said closed end other than by capillary force along said test strip when said open end is dipped into said liquid; and observing an effect of the liquid on the test strip above the at least one vent.

Claim 20

Dependent Claim 30 words

The method according to claim 17, wherein the step of supporting the test strip includes frictionally supporting the test strip at a portion of the hollow member where liquid enters.

Claim 21

Dependent Claim 24 words

The method according to claim 17, wherein the step of supporting the test strip includes supporting the test strip at a plurality of locations.

Claim 22

Dependent Claim 21 words

The method according to claim 17, wherein liquid travels up the test strip only by capillary action within the test strip.

Claim 23

Dependent Claim 134 words

A test strip holding apparatus, comprising: means for supporting a test strip within and spaced from inner walls of means for receiving a test strip having an open end and a closed end; means for venting the means for receiving between the open end and the closed end and at a distance from the closed end which by air pressure in the closed end limits a maximum height that a liquid can travel through said receiving means from said open end toward said closed end other than by capillary force along a test strip as the open end of the means for receiving is dipped into the liquid, said venting means being spaced from the open end and the closed end; and means for observing the effect of the liquid on the test strip.

Claim 24

Dependent Claim 134 words

A test strip holding apparatus, comprising: means for supporting a test strip within and spaced from inner walls of means for receiving a test strip having an open end and a closed end; means for venting the means for receiving between the open end and the closed end and at a distance from the closed end which by air pressure in the closed end limits a maximum height that a liquid can travel through said receiving means from said open end toward said closed end other than by capillary force along a test strip as the open end of the means for receiving is dipped into the liquid, said venting means being spaced from the open end and the closed end; and means for observing the effect of the liquid on the test strip.

Claim 25

Dependent Claim 19 words

The apparatus according to claim 21, wherein the means for observing comprises a window in the means for receiving.

Claim 26

Dependent Claim 16 words

An apparatus according to claim 21, further including a test strip held by the supporting means.

Claim 27

Independent Claim 134 words

A method for testing a liquid, comprising: supporting a test strip within and spaced from inner walls of means for receiving a test strip having an open end and a closed end; venting the means for receiving through means for venting between the open end and the closed end and at a distance from the closed end to limit, by air pressure in the closed end, a maximum height that a liquid can travel through said receiving means from said open end toward said closed end other than by capillary force along a test strip as the open end of the means for receiving is dipped into the liquid, the means for venting being spaced from the open end and the closed end; and observing the effect of the liquid on the test strip.

Claim 28

Independent Claim 134 words

A method for testing a liquid, comprising: supporting a test strip within and spaced from inner walls of means for receiving a test strip having an open end and a closed end; venting the means for receiving through means for venting between the open end and the closed end and at a distance from the closed end to limit, by air pressure in the closed end, a maximum height that a liquid can travel through said receiving means from said open end toward said closed end other than by capillary force along a test strip as the open end of the means for receiving is dipped into the liquid, the means for venting being spaced from the open end and the closed end; and observing the effect of the liquid on the test strip.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2000-08-11	2001-02-10	2001-08-12	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2004-08-11	2005-02-10	2005-08-12	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2008-08-11	2009-02-10	2009-08-12	$7700.00	Window Closed / Lapsed

Test strip holder and method of use

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