US958353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism for emergency-doors.
Assignee: P & F Corbin
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Filing: 1909-12-16
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Granted: 1910-05-17
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Expires: 1929-12-16
Abstract
No abstract record available.
Inventors
- 👤 August Arens
- 👤 Ernest L Teich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:23
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/10; E05B65/1006; Y; Y10; Y10S; Y10S292/00; Y10S292/62; Y10T; Y10T292/00; Y10T292/08; Y10T292/0863; Y10T292/0867; Y10T292/0868; Y10T292/0908
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) | 1913-05-16 | 1913-11-15 | 1914-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-05-16 | 1917-11-15 | 1918-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-05-16 | 1921-11-15 | 1922-05-17 | $7700.00 | Window Closed / Lapsed |