Patent US3756699A successfully refreshed from Google Patents.
US3756699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mailable disposable viewer
Assignee: Individual
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Filing: 1971-07-21
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Granted: 1973-09-04
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Expires: 1991-07-21
Abstract
Abstract A viewer made of inexpensive material such as paper and designed to be disposed of after minimum usage. The viewer is constructed of a blank of paper having means for forming an envelope around the viewer portion for mailing and being separable from the viewer portion for disposing of such envelope portion. The viewer portion has a magnifying lens and means for receiving a slide viewable through the lens and is foldable into a box-like viewer having a handle.
Inventors
- 👤 R Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:13
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
300 words
A disposable viewer comprising a blank of sheet material, an elongated viewer portion of said blank of sheet material having transverse fold lines selectively arranged to form top bottom, front and rear wall sections as well as a depending handle upon shaping said viewer portion at said fold lines into a box-like structure wherein said front and rear wall sections of said viewer portion are disposed in parallel spaced relation, the sides of said box-like structure being open, a lens in said front wall section, means defining a viewing aperture in said rear wall section for viewing display material in magnified relation through said lens, a pair of opposed tabs on opposite sides of said viewing aperture arranged to removably support display material in said aperture, a tab on one end of said viewer portion, means defining a cut portion adjacent the other end of said viewer portion for receiving said tab for holding said viewer portion in its box-like structure, a carrying portion in said blank of sheet material having a pair of elongated panels connected longitudinally by a fold line, said carrying portion being connected to said viewer portion in parallel relation thereto, said connection of the carrying portion to the viewer portion comprising a tear line for removal of the carrying portion when the viewer portion is to be folded, said viewer portion having a length at least as short as said carrying portion and said two panels being arranged to be wrapped around the viewer portion forming a mailing envelope therefor, a glue tab on one of said panels for holding the panels wrapped around said viewer portion, and end tabs on one of said pair of panels arranged to overlie the ends of said viewer portion and to confine loose display material within the envelope.
Claim 2
Dependent Claim
300 words
A disposable viewer comprising a blank of sheet material, an elongated viewer portion of said blank of sheet material having transverse fold lines selectively arranged to form top bottom, front and rear wall sections as well as a depending handle upon shaping said viewer portion at said fold lines into a box-like structure wherein said front and rear wall sections of said viewer portion are disposed in parallel spaced relation, the sides of said box-like structure being open, a lens in said front wall section, means defining a viewing aperture in said rear wall section for viewing display material in magnified relation through said lens, a pair of opposed tabs on opposite sides of said viewing aperture arranged to removably support display material in said aperture, a tab on one end of said viewer portion, means defining a cut portion adjacent the other end of said viewer portion for receiving said tab for holding said viewer portion in its box-like structure, a carrying portion in said blank of sheet material having a pair of elongated panels connected longitudinally by a fold line, said carrying portion being connected to said viewer portion in parallel relation thereto, said connection of the carrying portion to the viewer portion comprising a tear line for removal of the carrying portion when the viewer portion is to be folded, said viewer portion having a length at least as short as said carrying portion and said two panels being arranged to be wrapped around the viewer portion forming a mailing envelope therefor, a glue tab on one of said panels for holding the panels wrapped around said viewer portion, and end tabs on one of said pair of panels arranged to overlie the ends of said viewer portion and to confine loose display material within the envelope.
Claim 3
Dependent Claim
130 words
The disposable viewer of claim 1 wherein said viewer portion is connected to one of said pair of panels by a panel strip which has a fold line connection with said one of said pair of panels and said tear line connection with said viewer portion, said two panels being arranged to be folded around the viewer for forming a mailing envelope therefor, said panel strips in the folded position of the two panels forming side walls of the envelope tp provide space on the interior thereof, said end tabs on the carrying portion being connected to said one of said pair of panels by a panel strip having fold line connections with said one of said pair of panels with said tab to form end walls of the envelope.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |