US185633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in nut-locks
Assignee: —
•
Filing: —
•
Granted: 1876-12-26
•
Expires: 1893-12-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:53
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/023; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/954
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) | 1879-12-26 | 1880-06-26 | 1880-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-12-26 | 1884-06-26 | 1884-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-12-26 | 1888-06-26 | 1888-12-26 | $7700.00 | Window Closed / Lapsed |