US2491279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety overload pitman for power presses
Assignee: Dayton Rogers Manufacturing Co
•
Filing: 1947-06-25
•
Granted: 1949-12-13
•
Expires: 1967-06-25
Abstract
No abstract record available.
Inventors
- 👤 Dayton A Rogers
- 👤 John T Gondek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:56
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/10; B; B30; B30B; B30B15/00; B30B15/28; B30B15/281; B30B15/284; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2147; Y10T74/2148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2327946A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |