US1173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doob-lock
Assignee: —
•
Filing: —
•
Granted: 1839-06-18
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Expires: 1856-06-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:07
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/02; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726; Y10T70/7271; Y10T70/7277
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) | 1842-06-17 | 1842-12-17 | 1843-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1846-06-17 | 1846-12-17 | 1847-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1850-06-17 | 1850-12-17 | 1851-06-18 | $7700.00 | Window Closed / Lapsed |