Patent US3148147A successfully refreshed from Google Patents.
US3148147A
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2, 2-dialkyl-1, 3-propanediol diesters as functional fluids
Assignee: Eastman Kodak Co
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Filing: 1961-01-31
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Granted: 1964-09-08
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Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 Bell Alan
- 👤 Gerald R Lappin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:19
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07C; C07C67/00; C07C67/48; C07C67/62; C07C69/00; C07C69/003; C07C69/02; C07C69/22; C07C69/28; C10M2207/00; C10M2207/28; C10M2207/283; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A SYNTHETIC FUNCTIONAL FLUID CONSISTING ESSENTIALLY OF AT LEAST ONE DIESTER OF THE FORMULA:
Claim 2
Dependent Claim
14 words
A SYNTHETIC FUNCTIONAL FLUID CONSISTING ESSENTIALLY OF AT LEAST ONE DIESTER OF 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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |