US924528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch-bolt-dogging mechanism.
Assignee: P & F Corbin
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Filing: 1908-11-27
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Granted: 1909-06-08
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Expires: 1928-11-27
Abstract
No abstract record available.
Inventors
- 👤 August Arens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:46
CPC Classifications
E; E05; E05B; E05B55/00; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5518; Y10T70/80; Y10T70/8865
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) | 1912-06-07 | 1912-12-07 | 1913-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-06-07 | 1916-12-07 | 1917-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-06-07 | 1920-12-07 | 1921-06-08 | $7700.00 | Window Closed / Lapsed |