US2278786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying shear
Assignee: McKay Machine Co
•
Filing: 1939-04-21
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Granted: 1942-04-07
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Expires: 1959-04-21
Abstract
No abstract record available.
Inventors
- 👤 Dwight A Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:23
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/22; Y10T83/2203; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4667; Y10T83/467; Y10T83/474; Y10T83/4757; Y10T83/4763
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) | 1945-04-06 | 1945-10-06 | 1946-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-06 | 1949-10-06 | 1950-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-06 | 1953-10-06 | 1954-04-07 | $7700.00 | Window Closed / Lapsed |