Patent US27698A successfully refreshed from Google Patents.
US27698A
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Improvement in machines for overcoming the dead-points of cranks
Assignee: —
•
Filing: —
•
Granted: 1860-04-03
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Expires: 1877-04-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:18
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/04; F16H19/043; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1595; Y10T74/1597; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18112
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) | 1863-04-03 | 1863-10-03 | 1864-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-04-03 | 1867-10-03 | 1868-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-04-03 | 1871-10-03 | 1872-04-03 | $7700.00 | Window Closed / Lapsed |