US2765647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple locking mechanism control
Assignee: Individual
•
Filing: 1953-11-16
•
Granted: 1956-10-09
•
Expires: 1973-11-16
Abstract
No abstract record available.
Inventors
- 👤 Glenn H Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:54
CPC Classifications
E; E05; E05B; E05B81/00; E05B81/02; E05B81/04; E05B81/06; E05B77/00; E05B77/46; E05B77/48; E05B81/12; E05B81/16; E05B81/24; E05B81/32; E05B81/34; E05B79/00; E05B79/10; E05B79/12; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T292/1043; Y10T292/1075; Y10T292/1082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2103363A
Cited
US2001787A
Cited
US1970807A
Cited
US2329309A
Cited
US2339170A
Cited
US2371370A
Cited
US2672943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |