Patent US4012087A successfully refreshed from Google Patents.
US4012087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card index box
Assignee: Individual
•
Filing: 1975-07-21
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Granted: 1977-03-15
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Expires: 1995-07-21
Abstract
Abstract This invention relates in general to card filing devices and more particularly to a card file case comprising a one piece receptacle for the cards to be filed with angled projections at the front and back of the receptacle which are an integral part thereof for retaining the cards in an angular position from the verticle.
Inventors
- 👤 Robert L. Edwards, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:01
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02; B42F17/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
76 words
A card file case for containing separator cards and index cards therein comprising a one piece, generally rectangular receptacle including front and back verticle walls and means for retaining said cards in an angular position from the verticle, which means comprise inwardly angled projecting walls at the front and back of the receptacle which are an integral part of the receptacle, said projecting walls being formed by angled recesses in said front and back verticle walls.
Claim 2
Dependent Claim
76 words
A card file case for containing separator cards and index cards therein comprising a one piece, generally rectangular receptacle including front and back verticle walls and means for retaining said cards in an angular position from the verticle, which means comprise inwardly angled projecting walls at the front and back of the receptacle which are an integral part of the receptacle, said projecting walls being formed by angled recesses in said front and back verticle walls.
Claim 3
Dependent Claim
39 words
A card file case as claimed in claim 1 in which a cover is provided for the receptacle, the cover being so dimensioned that the receptacle fits snugly inside of the receptacle when access to the cards is required.
Claim 4
Dependent Claim
47 words
A card file case as claimed in claim 2 in which a U-shaped bar is adapted to enter openings in the angled projection formed in said recesses and in the cards to retain said cards in the box and permit the addition or deletion of cards therefrom.
Claim 5
Dependent Claim
55 words
A card file case as claimed in claim 1 comprising a one piece receptacle for the cards to be filed and means for retaining said cards in an angular position from the verticle, which means comprises four projections at the front and rear of the receptacle extended inwardly of the receptacle and formed integrally therewith.
Claim 6
Dependent Claim
16 words
A card file case as claimed in claim 4 wherein the four projections are substantially pyramid-shaped.
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) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |