Patent US279781A successfully refreshed from Google Patents.
US279781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
And wil
Assignee: —
•
Filing: —
•
Granted: 1883-06-19
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Expires: 1900-06-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:15
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/12; B23D61/123; B23D61/02; B23D61/04; B23D61/06; B23D61/071; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9317
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) | 1886-06-18 | 1886-12-18 | 1887-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-06-18 | 1890-12-18 | 1891-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-06-18 | 1894-12-18 | 1895-06-19 | $7700.00 | Window Closed / Lapsed |