US2901012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion or contraction compensating clamp
Assignee: Douglas Aircraft Co Inc
•
Filing: 1956-05-21
•
Granted: 1959-08-25
•
Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Thayer S Crispin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/109; B23; B23Q; B23Q11/00; B23Q11/0003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US781958A
Cited
US952182A
Cited
US968038A
Cited
US1031049A
Cited
US1346236A
Cited
US1840724A
Cited
US2395607A
Cited
US2761475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |