US139644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in band-saws
Assignee: —
•
Filing: —
•
Granted: 1873-06-03
•
Expires: 1890-06-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:01
CPC Classifications
B; B23; B23D; B23D51/00; B23D51/16; B23D51/162; B23D49/00; B23D49/013; B23D57/00; B23D57/0076; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7095
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) | 1876-06-02 | 1876-12-02 | 1877-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-06-02 | 1880-12-02 | 1881-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-06-02 | 1884-12-02 | 1885-06-03 | $7700.00 | Window Closed / Lapsed |