US2697236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for gluing book backs
Assignee: MCCAIN
•
Filing: 1950-01-31
•
Granted: 1954-12-21
•
Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 William W Mccain
- 👤 Chester E Hillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:33
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0006; B42C9/0012; B42C9/0031; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1798
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US845369A
Cited
US1023569A
Cited
US1168467A
Cited
US1534701A
Cited
US1811201A
Cited
US2163812A
Cited
US2190970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |