Patent US3324035A successfully refreshed from Google Patents.
US3324035A
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Hydraulic fluids
Assignee: Dow Chemical Co
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Filing: 1964-03-11
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Granted: 1967-06-06
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert J Nankee
- 👤 Joseph E Schrems
- 👤 Ernest L Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:38
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/087; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/04; C10M2207/28; C10M2207/283; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/106; C10M2209/107; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/06; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
IN A METHOD FOR APPLYING PRESSURE TO A HYDRAULIC BRAKE THROUGH A HYDRAULIC BRAKE FLUID, THE IMPROVEMENT WHEREIN THE BRAKE FLUID CONSISTS ESSENTIALLY OF AT LEAST ONE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
31 words
IN A METHOD FOR APPLYING PRESSURE TO A HYDRAULIC BRAKE THROUGH A HYDRAULIC BRAKE FLUID, THE IMPROVEMENT WHEREIN THE BRAKE FLUID CONSISTS ESSENTIALLY OF AT LEAST ONE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US3030426A
Cited
US3062747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |