US2179441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch and catch
Assignee: Individual
•
Filing: 1937-02-17
•
Granted: 1939-11-07
•
Expires: 1957-02-17
Abstract
No abstract record available.
Inventors
- 👤 Webb Purcell Thomas
- 👤 Webb Cyril Purcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:36
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/04; E05B2003/006; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/869; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32467; Y10T403/32475; Y10T403/32501; Y10T403/59; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079
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) | 1942-11-06 | 1943-05-08 | 1943-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-06 | 1947-05-08 | 1947-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-06 | 1951-05-08 | 1951-11-07 | $7700.00 | Window Closed / Lapsed |