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US4050826A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid applicator

Assignee: Bristol Myers Co
•
Filing: 1976-02-11
•
Granted: 1977-09-27
•
Expires: 1996-02-11
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Abstract

Abstract A liquid applicator which comprises a liquid storage container fitted with a shaped applicator means that is made of a non-flexible, non-deformable, sintered, porous synthetic plastic resin having a controlled porosity and having omni-directional interconnecting pores.

Inventors

  • 👤 Walter G. Berghahn
  • 👤 Jack Weinstein

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:22
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/18; B65D47/00; B65D47/42; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0015; B65D2251/0037; B65D2251/0046; B65D2251/0068; B65D2251/0078; B65D2251/0087

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 184 words
A liquid applicator suitable for use in the application of liquids to a surface of the human body comprising a container having a container body adapted for storing a quantity of said liquid, said container having an opening at one end thereof which is provided with an upper margin, step means spaced below said upper margin of said opening and extending inwardly from the walls of said opening, said step means being adapted to support a shaped applicator means; shaped applicator means positioned in said opening and resting on said step means; said applicator means being releasibly secured in said opening of said container; said shaped applicator means comprising a non-flexible, non-deformable, sintered, porous synthetic plastic resin structure having a controlled porosity and having omni-directional interconnecting pores, said applicator also including a collecting channel disposed adjacent said shaped applicator means adapted to collect overflow liquid coming through the pores of said shaped applicator and directing it back into said container, passage of the fluid collecting in said collecting channel and draining back into said container being possible only through the pores of said applicator.
Claim 2
Dependent Claim 184 words
A liquid applicator suitable for use in the application of liquids to a surface of the human body comprising a container having a container body adapted for storing a quantity of said liquid, said container having an opening at one end thereof which is provided with an upper margin, step means spaced below said upper margin of said opening and extending inwardly from the walls of said opening, said step means being adapted to support a shaped applicator means; shaped applicator means positioned in said opening and resting on said step means; said applicator means being releasibly secured in said opening of said container; said shaped applicator means comprising a non-flexible, non-deformable, sintered, porous synthetic plastic resin structure having a controlled porosity and having omni-directional interconnecting pores, said applicator also including a collecting channel disposed adjacent said shaped applicator means adapted to collect overflow liquid coming through the pores of said shaped applicator and directing it back into said container, passage of the fluid collecting in said collecting channel and draining back into said container being possible only through the pores of said applicator.
Claim 3
Dependent Claim 44 words
A liquid applicator according to claim 1 in which said container is provided with a hollow neck extending upwardly from said container body and communicating with the interior of said container; the open end of said neck constituting the open end of said container.
Claim 4
Dependent Claim 30 words
A liquid applicator according to claim 2 in which said shaped applicator means is in the form of a hemisphere and is adapted for application to the axilla of humans.
Claim 5
Dependent Claim 44 words
A liquid applicator according to claim 2 including a sealing flange extending outwardly on the external surface of said hollow neck; said applicator also being provided with a cap that fits over said hollow neck and engages said sealing flange in a sealing relationship.
Claim 6
Dependent Claim 27 words
A liquid applicator according to claim 1 in which the pore size of said applicator means is in the range of from about 10 to 500 microns.
Claim 7
Dependent Claim 27 words
A liquid applicator according to claim 1 in which the pore size of said applicator means is in the range of from about 20 to 200 microns.

References Cited (Backward Citations)

US2048689A Cited
US2749566A Cited
US3278976A Cited
DE2151741A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-09-26 1981-03-28 1981-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-09-26 1985-03-28 1985-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-09-26 1989-03-28 1989-09-27 $7700.00 Window Closed / Lapsed

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