Patent US54651A successfully refreshed from Google Patents.
US54651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved rolls for wringers
Assignee: —
•
Filing: —
•
Granted: 1866-05-08
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Expires: 1883-05-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:02
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/0011; B29C33/0016; B30; B30B; B30B11/00; B30B11/16; B30B11/165; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53652; Y10T29/53657
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) | 1869-05-07 | 1869-11-06 | 1870-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-05-07 | 1873-11-06 | 1874-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-05-07 | 1877-11-06 | 1878-05-08 | $7700.00 | Window Closed / Lapsed |