Patent US3881203A successfully refreshed from Google Patents.
US3881203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for inserting paper into spines
Assignee: 3M Co
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Filing: 1974-01-24
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Granted: 1975-05-06
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Expires: 1994-01-24
Abstract
Abstract A simple, small tool is provided for the insertion of paper into plastic slide on spines. Preferably the tool is made of metal and its structure is such that it permits the full capacity of the spine to be used.
Inventors
- 👤 Joe D Giulie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:25
CPC Classifications
B; B42; B42F; B42F9/00; B42F9/008
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
An insertion device for inserting a sheaf of papers into a spring spine comprising in combination: a. a flat back member, b. arms extending at substantially right angles from the top sides of said back member, said arms extending from only the top portion of said back whereby the bottom portion of said back is free of said arms, c. downwardly extending legs from the terminal ends of each of said side members, said legs extending downwardly to substantially the same level as said back member, said legs being spaced a substantial distance from said back member, and d. the upper portions of said arm member being formed outwardly at an angle to facilitate the insertion of papers therebetween.
Claim 2
Dependent Claim
119 words
An insertion device for inserting a sheaf of papers into a spring spine comprising in combination: a. a flat back member, b. arms extending at substantially right angles from the top sides of said back member, said arms extending from only the top portion of said back whereby the bottom portion of said back is free of said arms, c. downwardly extending legs from the terminal ends of each of said side members, said legs extending downwardly to substantially the same level as said back member, said legs being spaced a substantial distance from said back member, and d. the upper portions of said arm member being formed outwardly at an angle to facilitate the insertion of papers therebetween.
Claim 3
Dependent Claim
21 words
The structure of claim 1 wherein tabs extend outwardly from each of said arms between said back member and said legs.
References Cited (Backward Citations)
US3727256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |