US853588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door-releasing mechanism.
Assignee: Individual
•
Filing: 1906-07-11
•
Granted: 1907-05-14
•
Expires: 1926-07-11
Abstract
No abstract record available.
Inventors
- 👤 Edward Kauntze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:31
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/002; E05F1/006; E05Y; E05Y2800/00; E05Y2800/25; E05Y2800/252; Y; Y10; Y10S; Y10S292/00; Y10S292/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1910-05-13 | 1910-11-12 | 1911-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-05-13 | 1914-11-12 | 1915-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-05-13 | 1918-11-12 | 1919-05-14 | $7700.00 | Window Closed / Lapsed |