US1867694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1929-07-22
•
Granted: 1932-07-19
•
Expires: 1949-07-22
Abstract
No abstract record available.
Inventors
- 👤 Otto P Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:36
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/022; E05B17/00; E05B17/20; E05B17/2003; E05B55/00; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/283; Y10T292/68; Y10T292/696; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5164; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55
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) | 1935-07-19 | 1936-01-18 | 1936-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-19 | 1940-01-18 | 1940-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-19 | 1944-01-18 | 1944-07-19 | $7700.00 | Window Closed / Lapsed |