US2124897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Sargent Manufacturing Co
•
Filing: 1936-09-26
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Granted: 1938-07-26
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Expires: 1956-09-26
Abstract
No abstract record available.
Inventors
- 👤 John H Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/12; Y; Y10; Y10T; Y10T292/00; Y10T292/96; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5504; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7667; Y10T70/7706; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8486; Y10T70/8541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-07-25 | 1942-01-24 | 1942-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-07-25 | 1946-01-24 | 1946-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-07-25 | 1950-01-24 | 1950-07-26 | $7700.00 | Window Closed / Lapsed |