US3485564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concealed binding and hinge means and cover
Assignee: ANTIOCH PUBLISHING COMPANY
•
Filing: 1967-10-16
•
Granted: 1969-12-23
•
Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 William W Holes
- 👤 Edward L Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:42
CPC Classifications
B; B42; B42F; B42F11/00; Y; Y10; Y10S; Y10S402/00; Y10S402/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US372467A
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US634294A
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US1202979A
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GB101005A
Cited
DE432150C
Cited
US2004482A
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US2006824A
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US2139843A
Cited
US2762372A
Cited
DE1024922B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |