US2736710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Varnish remover
Assignee: Chadeloid Corp
•
Filing: 1951-06-29
•
Granted: 1956-02-28
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Herman R Nack
- 👤 Leo J Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:06
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A LIQUID COMPOSITION FOR REMOVING VARNISH AND LACQUER, SAID COMPOSITION CONSISTING OF HYDROLYZED DEXTRAN, ISOPROPYL ALCOHOL, AND WATER, THE HYDROLYZED DEXTRAN CONSTITUTING AT LEAST ABOUT 40% BY WEIGHT OF THE COMPOSITION, AND WATER IN THE RANGE OF ABOUT 15 TO 50% BY WEIGHT OF THE COMPOSITION, AND ISOPROPYL ALCOHOL FROM ABOUT 3% TO 15% BY WEIGHT OF THE COMPOSITION.
References Cited (Backward Citations)
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US1143878A
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US1980043A
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US2229941A
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US2392258A
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US2437518A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |