US2258339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating shear
Assignee: United Engineering and Foundry Co
•
Filing: 1940-08-03
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Granted: 1941-10-07
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Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 Maurice P Sieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:09
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1816; Y10T83/00; Y10T83/465; Y10T83/4693; Y10T83/4737; Y10T83/4749; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/861; Y10T83/869; Y10T83/8821; Y10T83/8837
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) | 1944-10-06 | 1945-04-07 | 1945-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-06 | 1949-04-07 | 1949-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-06 | 1953-04-07 | 1953-10-07 | $7700.00 | Window Closed / Lapsed |