US3216945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint remover for non-ferrous metal parts
Assignee: Individual
•
Filing: 1962-08-07
•
Granted: 1965-11-09
•
Expires: 1982-08-07
Abstract
No abstract record available.
Inventors
- 👤 Mankowich Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:35
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A PAINT STRIPPING CONCENTRATE CONSISTING ESSENTIALLY OF THE FOLLOWING COMPOSITION BY WEIGHT: FROM ABOUT 13 TO 20 PERCENT SODIUM METASILICATE PENTAHYDRATE, FROM ABOUT 18 TO 27 PERCENT TRISODIUM PHOSPHATE DODECAHYDRATE, FROM ABOUT 4 TO 7 PERCENT SODIUM BIPHOSPHATE MONOHYDRATE, FROM ABOUT 1.7 TO 2.5 PERCENT LAURIC ACID, FROM ABOUT 0.2 TO 0.3 PERCENT SODIUM HYDROXIDE, AND OF FROM 43 TO 56 PERCENT OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GLYCOL, PROPYLENE GLYCOL, DIPROPYLENE GLYCOL, HEXYLENE GLYCOL, 1,2,6-HEXANETRIOL, TRIETHYLENE GLYCOL AND 1,5-PENTANEDIOL.
References Cited (Backward Citations)
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Cited
US2093824A
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US2443173A
Cited
US2614992A
Cited
US2768213A
Cited
US2898246A
Cited
US2929789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |