Patent US4744041A successfully refreshed from Google Patents.
Patent US3140883A successfully refreshed from Google Patents.
US3140883A
Expired / Lapsed
US
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Book cover
Assignee: Individual
•
Filing: 1962-10-23
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Granted: 1964-07-14
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Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:02
CPC Classifications
B; B42; B42D; B42D3/00; B42D3/04; B42D3/12; B42D9/00; B42D9/001; B42D9/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A BOOK COVER COMPRISING, A BACKING SHEET HAVING END POCKETS TO RECEIVE THE COVERS OF A BOOK, A MARKER STRIP HAVING ONE END ATTACHED TO THE BACKING SHEET AND THE OTHER END BEING FREE, SAID STRIP HAVING A LENGTH GREATER THAN THE WIDTH OF THE BACKING SHEET SO THAT SAID OTHER END OF THE STRIP WILL PROJECT OUTWARDLY OF THE BOOK WHEN THE BOOK IS IN THE CLOSED POSITION, SAID STRIP INCLUDING A TRANSPARENT POCKET, AND A THIN MAGNIFYING LENS DISPOSED WITHIN THE POCKET AND ADAPTED TO BE MOVED ACROSS THE PAGES OF THE BOOK TO MAGNIFY PORTIONS THEREOF.
Claim 2
Dependent Claim
99 words
A BOOK COVER COMPRISING, A BACKING SHEET HAVING END POCKETS TO RECEIVE THE COVERS OF A BOOK, A MARKER STRIP HAVING ONE END ATTACHED TO THE BACKING SHEET AND THE OTHER END BEING FREE, SAID STRIP HAVING A LENGTH GREATER THAN THE WIDTH OF THE BACKING SHEET SO THAT SAID OTHER END OF THE STRIP WILL PROJECT OUTWARDLY OF THE BOOK WHEN THE BOOK IS IN THE CLOSED POSITION, SAID STRIP INCLUDING A TRANSPARENT POCKET, AND A THIN MAGNIFYING LENS DISPOSED WITHIN THE POCKET AND ADAPTED TO BE MOVED ACROSS THE PAGES OF THE BOOK TO MAGNIFY PORTIONS THEREOF.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |