US3534679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control means for pressure relief in hydraulic machines
Assignee: Individual
•
Filing: 1968-02-09
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Granted: 1970-10-20
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Expires: 1988-02-09
Abstract
No abstract record available.
Inventors
- 👤 Gaston Sebastien Forichon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:19
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; B; B30; B30B; B30B15/00; B30B15/16; B30B15/18; B30B15/186; F15B21/00; F15B21/08; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/32; F15B2211/321; F15B2211/325; F15B2211/327; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/515; F15B2211/5159; F15B2211/52; F15B2211/521; F15B2211/524; F15B2211/528; F15B2211/56; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/77; F15B2211/7716; F15B2211/80; F15B2211/85; F15B2211/853; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769; Y10T137/777
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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |