Patent US4440871A successfully refreshed from Google Patents.
Patent US462797A successfully refreshed from Google Patents.
US462797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dexter hazard
Assignee: —
•
Filing: —
•
Granted: 1891-11-10
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Expires: 1908-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:34
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/18; B26D3/185; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6587; Y10T83/6635; Y10T83/6636; Y10T83/727; Y10T83/744
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) | 1894-11-09 | 1895-05-11 | 1895-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-11-09 | 1899-05-11 | 1899-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-11-10 | 1903-05-12 | 1903-11-11 | $7700.00 | Window Closed / Lapsed |