US2014248A
Expired / Lapsed
US
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Shear
Assignee: Wean Engineering Co Inc
•
Filing: 1933-12-21
•
Granted: 1935-09-10
•
Expires: 1953-12-21
Abstract
No abstract record available.
Inventors
- 👤 Archibald D Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:03
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/04; Y; Y10; Y10S; Y10S83/00; Y10S83/923; Y10T; Y10T83/00; Y10T83/465; Y10T83/4699; Y10T83/4702; Y10T83/4766; Y10T83/4795; Y10T83/4818; Y10T83/483; Y10T83/4833; Y10T83/4836; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/6598
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) | 1938-09-09 | 1939-03-11 | 1939-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-09 | 1943-03-11 | 1943-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-09 | 1947-03-11 | 1947-09-10 | $7700.00 | Window Closed / Lapsed |