US2933403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing pastes
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1957-02-13
•
Granted: 1960-04-19
•
Expires: 1977-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:48
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/46; D06P1/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PRINTING PASTE COMPOSITION CONSISTING OF THE FOLLOWING CONSTITUENTS IN PARTS BY WEIGHT, 10 PARTS VAT DYE, 5 PARTS CHROMIUM FLUORIDE, 5 PARTS AMMOMIUM OXALATE, 50 PARTS NATIVE DEXTRAN IN FINELY DIVIDED PARTICLES, 5 PARTS WATER, 5 PARTS MONOETHYL ETHER OF DIETHYLENE GLYCOL, AND 5 PARTS FORMAMIDE.
Claim 2
Dependent Claim
47 words
A PRINTING PASTE COMPOSITION CONSISTING OF THE FOLLOWING CONSTITUENTS IN PARTS BY WEIGHT, 10 PARTS VAT DYE, 5 PARTS CHROMIUM FLUORIDE, 5 PARTS AMMOMIUM OXALATE, 50 PARTS NATIVE DEXTRAN IN FINELY DIVIDED PARTICLES, 5 PARTS WATER, 5 PARTS MONOETHYL ETHER OF DIETHYLENE GLYCOL, AND 5 PARTS FORMAMIDE.
References Cited (Backward Citations)
US2416145A
Cited
US2392258A
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US2437518A
Cited
US2430430A
Cited
US2503623A
Cited
US2725303A
Cited
US2756160A
Cited
US2768096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |