Patent US3056481A successfully refreshed from Google Patents.
US3056481A
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US
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Safety control circuit for presses and run button with safety lockout therefor
Assignee: Verson Allsteel Press Co
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Filing: 1959-01-29
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Granted: 1962-10-02
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Expires: 1979-01-29
Abstract
No abstract record available.
Inventors
- 👤 Kurt K Luenser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:28
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/14; B30B15/148; F; F16; F16P; F16P3/00; F16P3/18; F16P3/20; H; H01; H01H; H01H3/00; H01H3/02; H01H3/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2302838A
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US2752441A
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US2680368A
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US2959263A
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US2778891A
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US2848087A
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US2854115A
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US2915651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |