Patent US4074990A successfully refreshed from Google Patents.
US53499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved foot-press
Assignee: —
•
Filing: —
•
Granted: 1866-03-27
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Expires: 1883-03-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:11
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/20; F; F15; F15B; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20538; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8696; Y10T83/8821; Y10T83/8827
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) | 1869-03-26 | 1869-09-25 | 1870-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-03-26 | 1873-09-25 | 1874-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-03-26 | 1877-09-25 | 1878-03-27 | $7700.00 | Window Closed / Lapsed |