Patent US2009156A successfully refreshed from Google Patents.
US64197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spencer m
Assignee: —
•
Filing: —
•
Granted: 1867-04-30
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Expires: 1884-04-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:46
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/26; B26D1/30; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/2144; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/566; Y10T83/5669; Y10T83/576; Y10T83/5769; Y10T83/5778
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) | 1870-04-29 | 1870-10-29 | 1871-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1874-04-29 | 1874-10-29 | 1875-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1878-04-29 | 1878-10-29 | 1879-04-30 | $7700.00 | Window Closed / Lapsed |