US77700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
woodruff
Assignee: —
•
Filing: —
•
Granted: 1868-05-05
•
Expires: 1885-05-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:34
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19963
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) | 1871-05-05 | 1871-11-04 | 1872-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-05-05 | 1875-11-04 | 1876-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-05-05 | 1879-11-04 | 1880-05-05 | $7700.00 | Window Closed / Lapsed |