US948200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cutting screw-threads upon screws.
Assignee: Individual
•
Filing: 1909-02-27
•
Granted: 1910-02-01
•
Expires: 1929-02-27
Abstract
No abstract record available.
Inventors
- 👤 William Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:08
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/02; B23G1/04; Y; Y10; Y10T; Y10T408/00; Y10T408/52; Y10T408/54
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) | 1913-01-31 | 1913-08-02 | 1914-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-01-31 | 1917-08-02 | 1918-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-01-31 | 1921-08-02 | 1922-02-01 | $7700.00 | Window Closed / Lapsed |