US2614992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint stripping compositions
Assignee: Individual
•
Filing: 1950-11-30
•
Granted: 1952-10-21
•
Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Mankowich Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:08
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A PAINT STRIPPING COMPOSITION COMPRISING FROM ABOUT 2.5 TO 10 PER CENT BY WEIGHT OF DODECYL DIETHYLENE TRIAMINE AND UP TO 15 PER CENT BY WEIGHT OF A NON-IONIC ALKYLATED ARYL POLYETHYLENE GLYCOL ETHER SURFACE ACTIVE AGENT THE REMAINDER OF SAID COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE CONSISTING OF A MAJOR PROPORTION OF TRISODIUM PHOSPHATE AND THE BALANCE BEING SODIUM TRISILICATE.
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |