Patent US1707694A successfully refreshed from Google Patents.
US1707694A
Expired / Lapsed
US
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Locking bolt for doors
Assignee: Individual
•
Filing: 1928-06-22
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Granted: 1929-04-02
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Expires: 1948-06-22
Abstract
No abstract record available.
Inventors
- 👤 Walter S Torrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:56
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/003; Y; Y10; Y10S; Y10S292/00; Y10S292/17; Y10S70/00; Y10S70/64; Y10T; Y10T292/00; Y10T292/23; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319; Y10T70/5341
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) | 1932-04-01 | 1932-10-01 | 1933-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-04-01 | 1936-10-01 | 1937-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-04-01 | 1940-10-01 | 1941-04-02 | $7700.00 | Window Closed / Lapsed |