US2632536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: Individual
•
Filing: 1950-11-28
•
Granted: 1953-03-24
•
Expires: 1970-11-28
Abstract
No abstract record available.
Inventors
- 👤 Skeel Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:26
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/24; B23C5/2468; Y; Y10; Y10T; Y10T403/00; Y10T403/55; Y10T403/556; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2259742A
Cited
US661655A
Cited
US786725A
Cited
US1744199A
Cited
US1784256A
Cited
US2508437A
Cited
US2499994A
Cited
US2547789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |