US1724630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door latch
Assignee: Individual
•
Filing: 1927-03-07
•
Granted: 1929-08-13
•
Expires: 1947-03-07
Abstract
No abstract record available.
Inventors
- 👤 Ellis L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:47
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/06; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10S; Y10S292/00; Y10S292/51; Y10T; Y10T292/00; Y10T292/06; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0989; Y10T292/62; Y10T292/91; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5575; Y10T70/558; Y10T70/5589; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7949; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8486; Y10T70/8838
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) | 1932-08-12 | 1933-02-11 | 1933-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-12 | 1937-02-11 | 1937-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-12 | 1941-02-11 | 1941-08-13 | $7700.00 | Window Closed / Lapsed |