US1677271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panic bolt
Assignee: Sargent Manufacturing Co
•
Filing: 1923-08-29
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Granted: 1928-07-17
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Expires: 1943-08-29
Abstract
No abstract record available.
Inventors
- 👤 William J Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:56
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/1006; E05B65/1046; E05B65/106; E05B65/1066; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/22; E05C3/24; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0822; Y10T292/0908; Y10T292/1043; Y10T292/1044; Y10T292/1045; Y10T292/1047
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) | 1931-07-17 | 1932-01-16 | 1932-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-17 | 1936-01-16 | 1936-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-17 | 1940-01-16 | 1940-07-17 | $7700.00 | Window Closed / Lapsed |