Patent US2201385A successfully refreshed from Google Patents.
Patent US31319A successfully refreshed from Google Patents.
US31319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in hoop-locks
Assignee: —
•
Filing: —
•
Granted: 1861-02-05
•
Expires: 1878-02-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:41
CPC Classifications
B; B65; B65D; B65D63/00; B65D63/02; B65D63/06; B65D63/08; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459; Y10T24/42
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) | 1864-02-05 | 1864-08-06 | 1865-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-02-05 | 1868-08-06 | 1869-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-02-05 | 1872-08-06 | 1873-02-05 | $7700.00 | Window Closed / Lapsed |