US3318618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book cover boards
Assignee: Book Covers Inc
•
Filing: 1966-04-04
•
Granted: 1967-05-09
•
Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Edward K Mullen
- 👤 Leewood C Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:57
CPC Classifications
B; B42; B42C; B42C7/00; B42D; B42D3/00; B42D3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A COVER BOARD COMPRISING A FIRST PAIR OF LEAF BOARDS, A SECOND PAIR OF LEAF BOARDS, AND A PAIR OF HINGE TO SAID FIRST PAIR OF LEAF BOARDS, AND A PAIR OF HINGE MATERIAL STRIPS ADHERED TO SAID FIRST PAIR OF LEAF BOARDS AND SAID SECOND PAIR OF LEAF BOARDS, ONE OF SAID HINGE MATERIAL STRIPS BEING ADHERED TO A SURFACE OF EACH OF SAID FIRST AND SECOND PAIRS OF LEAF BOARDS AND THE OTHER OF SAID HINGE MATERIAL AND OVERLYING SAID ONE HINGE MATERIAL STRIP MATERIAL STRIP AND OVERLYING SAID ONE HINGE MATERIAL STRIP IN SPACED RELATION AND BEING ADHERED ONLY TO SAID SURFACE OF EACH OF SAID LEAF BOARDS.
Claim 2
Dependent Claim
111 words
A COVER BOARD COMPRISING A FIRST PAIR OF LEAF BOARDS, A SECOND PAIR OF LEAF BOARDS, AND A PAIR OF HINGE TO SAID FIRST PAIR OF LEAF BOARDS, AND A PAIR OF HINGE MATERIAL STRIPS ADHERED TO SAID FIRST PAIR OF LEAF BOARDS AND SAID SECOND PAIR OF LEAF BOARDS, ONE OF SAID HINGE MATERIAL STRIPS BEING ADHERED TO A SURFACE OF EACH OF SAID FIRST AND SECOND PAIRS OF LEAF BOARDS AND THE OTHER OF SAID HINGE MATERIAL AND OVERLYING SAID ONE HINGE MATERIAL STRIP MATERIAL STRIP AND OVERLYING SAID ONE HINGE MATERIAL STRIP IN SPACED RELATION AND BEING ADHERED ONLY TO SAID SURFACE OF EACH OF SAID LEAF BOARDS.
References Cited (Backward Citations)
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Cited
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US1991608A
Cited
US2339586A
Cited
US3145033A
Cited
US3206226A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |