US2473764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp
Assignee: Individual
•
Filing: 1945-04-06
•
Granted: 1949-06-21
•
Expires: 1965-04-06
Abstract
No abstract record available.
Inventors
- 👤 Allan J Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:05
CPC Classifications
B; B25; B25B; B25B7/00; B25B7/12; B25B7/123; B05; B05C; B05C13/00; B25B5/00; B25B5/06; B25B5/12; B25B7/02; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44333; Y10T24/44496; Y10T24/44504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |