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Patent US10776A successfully refreshed from Google Patents.
US10776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pianoforte-action
Assignee: —
•
Filing: —
•
Granted: 1854-04-11
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Expires: 1871-04-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:15
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/06
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) | 1857-04-10 | 1857-10-10 | 1858-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1861-04-10 | 1861-10-10 | 1862-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1865-04-10 | 1865-10-10 | 1866-04-11 | $7700.00 | Window Closed / Lapsed |