Patent US2517636A successfully refreshed from Google Patents.
US2517636A
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Composition for removing fingerprint deposits from nonabsorbent surfaces
Assignee: Shell Development Co
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Filing: 1947-11-05
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Granted: 1950-08-08
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Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 David Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:09
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43; C10; C10M; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A CLEAR SOLUBLE UNIPHASE LIQUID COMPOSITION ADAPTED TO REMOVE FINGERPRINT DEPOSITS FROM NONABSORBENT SURFACES CONSISTING ESENTIALLY OF ABOUT 45% TO 70% BY WEIGHT OF A CLEAR SOLUBLE OIL, ABOUT 10% TO ABOUT 37.5% BY WEIGHT OF WATER AND ABOUT 15% TO ABOUT 50% BY WEIGHT OF A SUBSTANTIALLY VOLATILE, LIQUID, ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF BENZENE, TRICHLOROETHYLENE AND CARBON TETRACHLORIDE, SAID CLEAR SOLUBLE OIL CONSISTING ESSENTIALLY OF THE FOLLOWING COMPONENTS IN PORTIONS BY WEIGHT AS FOLLOWS: SPINDLE OIL-55, SODIUM NAPHTHASULFONATE-30, SULFATED FISH OIL-5, WATER-5, DIACETONE ALCOHOL-5.
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) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |