US41034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in machines for sawing irregular forms
Assignee: —
•
Filing: —
•
Granted: 1863-12-22
•
Expires: 1880-12-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:58
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/02; B26D1/025; B23; B23D; B23D49/00; B23D49/007; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/6593; Y10T83/6601; Y10T83/6603; Y10T83/869; Y10T83/875
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) | 1866-12-21 | 1867-06-22 | 1867-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-12-21 | 1871-06-22 | 1871-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-12-21 | 1875-06-22 | 1875-12-22 | $7700.00 | Window Closed / Lapsed |