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US37446A
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US
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Improved machine for cutting caoutchouc
Assignee: —
•
Filing: —
•
Granted: 1863-01-20
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Expires: 1880-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:17
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/12; B23D45/124; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16655; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6545; Y10T83/6547; Y10T83/6548; Y10T83/6555; Y10T83/6584; Y10T83/6592; Y10T83/6595; Y10T83/6604; Y10T83/768; Y10T83/7751; Y10T83/7755; Y10T83/7763; Y10T83/7776
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) | 1866-01-19 | 1866-07-21 | 1867-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-01-19 | 1870-07-21 | 1871-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-01-19 | 1874-07-21 | 1875-01-20 | $7700.00 | Window Closed / Lapsed |