US1777776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: CHESTER A GOSSETT
•
Filing: 1927-10-21
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Granted: 1930-10-07
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Expires: 1947-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frank J Van Dooren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:21
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; Y; Y10; Y10S; Y10S70/00; Y10S70/73; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0971; Y10T292/0977; Y10T292/0982; Y10T292/0985; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8486
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) | 1933-10-06 | 1934-04-07 | 1934-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-10-06 | 1938-04-07 | 1938-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-10-06 | 1942-04-07 | 1942-10-07 | $7700.00 | Window Closed / Lapsed |