US1890124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw cutting die
Assignee: Individual
•
Filing: 1932-05-11
•
Granted: 1932-12-06
•
Expires: 1952-05-11
Abstract
No abstract record available.
Inventors
- 👤 Millerchip John
- 👤 Lambert Thomas Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:20
CPC Classifications
B; B23; B23G; B23G5/00; B23G5/08; B23G5/083; Y; Y10; Y10T; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/8583; Y10T408/85843
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) | 1935-12-06 | 1936-06-06 | 1936-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-06 | 1940-06-06 | 1940-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-06 | 1944-06-06 | 1944-12-06 | $7700.00 | Window Closed / Lapsed |