Patent US3426873A successfully refreshed from Google Patents.
US3426873A
Expired / Lapsed
US
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Hydraulic overload release and control for a press machine
Assignee: Aida Engineering Ltd
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Filing: 1967-10-16
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Granted: 1969-02-11
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 Yoshitomo Tezuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:51
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/28; B30B15/281; B30B15/284; B30B15/06; B30B15/068; B30B15/16; B30B15/24; F; F04; F04B; F04B9/00; F04B9/02; F04B9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1923127A
Cited
US1946188A
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US2767818A
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US2937733A
Cited
US3093716A
Cited
US3329250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |