Patent US2630409A successfully refreshed from Google Patents.
US2630409A
Expired / Lapsed
US
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Paint and varnish remover
Assignee: EIDP Inc
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Filing: 1949-10-06
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Granted: 1953-03-03
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Expires: 1969-10-06
Abstract
No abstract record available.
Inventors
- 👤 Walter M Bruner
- 👤 James C Lehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:47
CPC Classifications
C; C09; C09D; C09D9/00; C09D9/005
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
46 words
A PAINT AND VARNISH REMOVING COMPOSITION WHICH CONSISTS ESSENTIALLY OF 100 PARTS BY WEIGHT OF 1,1,2-TRIMETHOXYETHANE AND FROM 10 TO 100 PARTS BY WEIGHT, BASED ON THE WEIGHT OF 1,1,2-TRIMETHOXYETHANE, OF A VOLATILE ORGANIC LIQUID DILUENT OF THE CLASS CONSISTING OF AROMATIC HYDROCARBONS, ALKANES, AND CHLOROALKANES.
Claim 2
Dependent Claim
46 words
A PAINT AND VARNISH REMOVING COMPOSITION WHICH CONSISTS ESSENTIALLY OF 100 PARTS BY WEIGHT OF 1,1,2-TRIMETHOXYETHANE AND FROM 10 TO 100 PARTS BY WEIGHT, BASED ON THE WEIGHT OF 1,1,2-TRIMETHOXYETHANE, OF A VOLATILE ORGANIC LIQUID DILUENT OF THE CLASS CONSISTING OF AROMATIC HYDROCARBONS, ALKANES, AND CHLOROALKANES.
Claim 3
Dependent Claim
59 words
A PAINT AND VARNISH REMOVING LIQUID COMPOSITION CONSISTING OF 100 PARTS BY WEIGHT OF 1,1,2TRIMETHOXYETHANE AND 10 TO 100 PARTS BY WEIGHT OF BENZENE, 1 TO 5 PARTS BY WEIGHT OF OXALIC ACID PER 100 PARTS OF THE TOTAL COMPOSITION, AND 1 TO 5 PARTS BY WEIGHT OF ETHYL CELLULOSE PER 100 PARTS OF THE TOTAL OF THE COMPOSITION.
Claim 4
Dependent Claim
59 words
A PAINT AND VARNISH REMOVING LIQUID COMPOSITION CONSISTING OF 100 PARTS BY WEIGHT OF 1,1,2TRIMETHOXYETHANE AND 10 TO 100 PARTS BY WEIGHT OF BENZENE, 1 TO 5 PARTS BY WEIGHT OF OXALIC ACID PER 100 PARTS OF THE TOTAL COMPOSITION, AND 1 TO 5 PARTS BY WEIGHT OF ETHYL CELLULOSE PER 100 PARTS OF THE TOTAL OF THE COMPOSITION.
References Cited (Backward Citations)
US2499470A
Cited
US1143111A
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US1100177A
Cited
US1167641A
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US2321593A
Cited
US2321557A
Cited
US2351195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |