US1891214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock
Assignee: Independent Lock Co
•
Filing: 1931-12-05
•
Granted: 1932-12-13
•
Expires: 1951-12-05
Abstract
No abstract record available.
Inventors
- 👤 Falk Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:27
CPC Classifications
E; E05; E05B; E05B27/00; E05B27/02; E05B27/08; E05B27/083; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7638; Y10T70/7644; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7847; Y10T70/7853
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) | 1935-12-13 | 1936-06-13 | 1936-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-13 | 1940-06-13 | 1940-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-13 | 1944-06-13 | 1944-12-13 | $7700.00 | Window Closed / Lapsed |