US2551671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Over-center mechanism
Assignee: Individual
•
Filing: 1946-03-11
•
Granted: 1951-05-08
•
Expires: 1966-03-11
Abstract
No abstract record available.
Inventors
- 👤 Harlan N Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:15
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/04; B43L13/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US279534A
Cited
US687032A
Cited
US965483A
Cited
US1074851A
Cited
US1459792A
Cited
US1728834A
Cited
US1813801A
Cited
US2085300A
Cited
US2168940A
Cited
US2226882A
Cited
US2217008A
Cited
US2313341A
Cited
US2296875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |