US400882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting screw-taps
Assignee: —
•
Filing: —
•
Granted: 1889-04-02
•
Expires: 1906-04-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:36
CPC Classifications
B; B23; B23Q; B23Q35/00; Y; Y10; Y10T; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/20; Y10T82/25; Y10T82/2531; Y10T82/2537; Y10T82/2539
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) | 1892-04-01 | 1892-10-01 | 1893-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-04-01 | 1896-10-01 | 1897-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-04-02 | 1900-10-02 | 1901-04-03 | $7700.00 | Window Closed / Lapsed |