Patent US2414772A successfully refreshed from Google Patents.
US2414772A
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Shearing apparatus
Assignee: Siemens Industry Inc
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Filing: 1944-10-11
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Granted: 1947-01-21
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Expires: 1964-10-11
Abstract
No abstract record available.
Inventors
- 👤 John W Sheperdson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:44
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/12; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2083; Y10T83/2085; Y10T83/222; Y10T83/465; Y10T83/4714; Y10T83/4717; Y10T83/727; Y10T83/738; Y10T83/739; Y10T83/929; Y10T83/9372; Y10T83/9396
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) | 1950-01-20 | 1950-07-22 | 1951-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-20 | 1954-07-22 | 1955-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-20 | 1958-07-22 | 1959-01-21 | $7700.00 | Window Closed / Lapsed |