US2666573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential latch mechanism
Assignee: —
•
Filing: —
•
Granted: 1954-01-19
•
Expires: 1971-01-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:10
CPC Classifications
G; G06; G06C; G06C7/00; G06C7/10; G06C21/00; G06C21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB441876A
Cited
US2008877A
Cited
US2108476A
Cited
US2176561A
Cited
US2241987A
Cited
US2281803A
Cited
US875075A
Cited
GB191346A
Cited
US1529955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |