US200971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in wrenches
Assignee: —
•
Filing: —
•
Granted: 1878-03-05
•
Expires: 1895-03-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:12
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/10; B25B13/12; B25B13/14; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3958
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) | 1881-03-04 | 1881-09-03 | 1882-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-03-04 | 1885-09-03 | 1886-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-03-04 | 1889-09-03 | 1890-03-05 | $7700.00 | Window Closed / Lapsed |