US2567281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flushed methyl violet inks
Assignee: Sun Chemical Corp
•
Filing: 1948-02-06
•
Granted: 1951-09-11
•
Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 Morris A Gardepe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:19
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D11/037
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A METHYL VIOLET INK COMPRISING A PETROLEUM HYDROCARBON LIQUID VEHICLE HAVING A BOILING POINT WITHIN THE RANGE 285*-300* C. AND A RESINOUS BINDER DISSOLVED THEREIN, METHYL VIOLET PIGMENT, 515% BY WEIGHT OF THE INK OF LINSEED FLATTY ACID, AND APPROXIMATELY 1-4% BY WEIGHT OF THE INK OF 1-HYDDROXYETHYL-2-HEPTADECENYL GLYOXALIDINE.
References Cited (Backward Citations)
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US1487873A
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US1986029A
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GB469422A
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GB469559A
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US2192954A
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US2369818A
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US2355837A
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US2434168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |