US3273913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Book cover boards and board structures and apparatus and method for making the same
Assignee: Book Covers Inc
•
Filing: 1965-05-27
•
Granted: 1966-09-20
•
Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Edward K Mullen
- 👤 Leewood C Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:24
CPC Classifications
B; B42; B42C; B42C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A COVER BOARD STRUCTURE FOR BOOKS, SAID STRUCTURE COMPRISING A FIRST LEAF BOARD PORTION, A SECOND LEAF BOARD PORTION, A SPINE BOARD PORTION DISPOSED BETWEEN SAID FIRST AND SECOND LEAF BOARD PORTIONS, AND A HINGE MATERIAL PORTION ON ONE SIDE OF SAID COVER BOARD STRUCTURE INCLUDING A PAIR OF HINGE MATERIAL STRIPS, EACH OF SAID STRIPS BEING BONDED TO ONE OF SAID FIRST AND SECOND LEAF BOARD PORTIONS AND A MINOR PORTION OF SAID SPINE BOARD PORTION.
Claim 2
Dependent Claim
77 words
A COVER BOARD STRUCTURE FOR BOOKS, SAID STRUCTURE COMPRISING A FIRST LEAF BOARD PORTION, A SECOND LEAF BOARD PORTION, A SPINE BOARD PORTION DISPOSED BETWEEN SAID FIRST AND SECOND LEAF BOARD PORTIONS, AND A HINGE MATERIAL PORTION ON ONE SIDE OF SAID COVER BOARD STRUCTURE INCLUDING A PAIR OF HINGE MATERIAL STRIPS, EACH OF SAID STRIPS BEING BONDED TO ONE OF SAID FIRST AND SECOND LEAF BOARD PORTIONS AND A MINOR PORTION OF SAID SPINE BOARD PORTION.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |