US2319963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufally operated screw machine
Assignee: CITY ENGINEERING Co
•
Filing: 1942-06-29
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Granted: 1943-05-25
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Expires: 1962-06-29
Abstract
No abstract record available.
Inventors
- 👤 Delbert I Wilson
- 👤 Quinn John Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:19
CPC Classifications
B; B23; B23B; B23B3/00; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/148; Y10T82/15; Y10T82/154; Y10T82/156; Y10T82/25; Y10T82/2514; Y10T82/2521; Y10T82/2552
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) | 1946-05-24 | 1946-11-23 | 1947-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-24 | 1950-11-23 | 1951-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-24 | 1954-11-23 | 1955-05-25 | $7700.00 | Window Closed / Lapsed |