US2472022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-acting c-clamp
Assignee: Individual
•
Filing: 1945-07-30
•
Granted: 1949-05-31
•
Expires: 1965-07-30
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:50
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US589046A
Cited
US1804007A
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US2308105A
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US2312955A
Cited
US2308996A
Cited
US2343699A
Cited
US2319377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |