Patent US3398651A successfully refreshed from Google Patents.
US3398651A
Expired / Lapsed
US
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Safety latch for a fluid powered work cylinder
Assignee: SAVAIR PRODUCTS CO
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Filing: 1966-03-18
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Granted: 1968-08-27
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Expires: 1986-03-18
Abstract
No abstract record available.
Inventors
- 👤 Frank F Folmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:37
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; F; F15; F15B; F15B15/00; F15B15/20; F15B15/26; F15B15/261; F16; F16J; F16J10/00; F16J10/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US695675A
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US825866A
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US1115605A
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US2130618A
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US2493875A
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US2661599A
Cited
US3033171A
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US3175473A
Cited
US3182566A
Cited
US3195309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |