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US80654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved log-sled
Assignee: —
•
Filing: —
•
Granted: 1868-08-04
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Expires: 1885-08-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
A; A63; A63B; A63B47/00; A63B47/02; A63B47/021; B; B62; B62B; B62B1/00; B62B1/10; B62B1/14
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) | 1871-08-04 | 1872-02-03 | 1872-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-08-04 | 1876-02-03 | 1876-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-08-04 | 1880-02-03 | 1880-08-04 | $7700.00 | Window Closed / Lapsed |