Patent US1058346A successfully refreshed from Google Patents.
US1058346A
Expired / Lapsed
US
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Emergency door-lock.
Assignee: SAFETY Manufacturing Co
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Filing: 1912-09-07
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Granted: 1913-04-08
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Expires: 1932-09-07
Abstract
No abstract record available.
Inventors
- 👤 Joshua B Berstler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:51
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/1006; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0822
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) | 1916-04-07 | 1916-10-07 | 1917-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-04-07 | 1920-10-07 | 1921-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-04-07 | 1924-10-07 | 1925-04-08 | $7700.00 | Window Closed / Lapsed |