US3019191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized hydraulic fluid composition
Assignee: California Research LLC
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Filing: 1954-09-28
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Granted: 1962-01-30
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Expires: 1974-09-28
Abstract
No abstract record available.
Inventors
- 👤 Neal W Furby
- 👤 Jr Charles D Newnan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:08
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A NON-SLUDGING HYDRAULIC FLUID COMPOSITION CONSISTING ESSENTIALLY OF 85 TO 97% BY WEIGHT OF A HEXA-ALKOXY DISILOXANE HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |