US2613101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook latch operating mechanism
Assignee: Individual
•
Filing: 1950-10-17
•
Granted: 1952-10-07
•
Expires: 1970-10-17
Abstract
No abstract record available.
Inventors
- 👤 Roberson Claude Mcjunis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:17
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/02; E21B19/04; B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34; B66C1/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1630456A
Cited
US1825018A
Cited
US2182214A
Cited
US2236761A
Cited
US2370528A
Cited
US2435119A
Cited
US2527922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |