Patent US310997A successfully refreshed from Google Patents.
US310997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive-chain
Assignee: —
•
Filing: —
•
Granted: 1885-01-20
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Expires: 1902-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:17
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02; F16G13/06; F16G13/07
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) | 1888-01-20 | 1888-07-21 | 1889-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-01-20 | 1892-07-21 | 1893-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-01-20 | 1896-07-21 | 1897-01-20 | $7700.00 | Window Closed / Lapsed |