US2937555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying shear with means for adjusting blade setting
Assignee: United States Steel Corp
•
Filing: 1957-11-25
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Granted: 1960-05-24
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 William L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:52
CPC Classifications
B; B23; B23D; B23D35/00; B23D35/005; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19585; Y10T74/1959; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US353555A
Cited
US966408A
Cited
US1421969A
Cited
US2002584A
Cited
US2121104A
Cited
US2260402A
Cited
US2256801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |