Patent US2091920A successfully refreshed from Google Patents.
Patent US20149A successfully refreshed from Google Patents.
US20149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
King-bolt
Assignee: —
•
Filing: —
•
Granted: 1858-05-04
•
Expires: 1875-05-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:04
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/18; E05B63/20; E05C; E05C1/00; E05C1/08; E05C1/10; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/1014; Y10T292/1022; Y10T292/1025; Y10T292/1031
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) | 1861-05-03 | 1861-11-02 | 1862-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1865-05-03 | 1865-11-02 | 1866-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1869-05-03 | 1869-11-02 | 1870-05-04 | $7700.00 | Window Closed / Lapsed |