Patent US77527A successfully refreshed from Google Patents.
US77527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oliver h
Assignee: —
•
Filing: —
•
Granted: 1868-05-05
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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
2026-11-04 13:36
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/02; B63H23/10; B63H23/18; B65; B65H; B65H2301/00; B65H2301/30; B65H2301/33; B65H2301/331
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 |