US253250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erastus woodwabd
Assignee: —
•
Filing: —
•
Granted: 1882-02-07
•
Expires: 1899-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:55
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/14; B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/062; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833
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) | 1885-02-06 | 1885-08-08 | 1886-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-02-06 | 1889-08-08 | 1890-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-02-06 | 1893-08-08 | 1894-02-07 | $7700.00 | Window Closed / Lapsed |