Patent US2600381A successfully refreshed from Google Patents.
US2600381A
Expired / Lapsed
US
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Butter coloring tablet and method of coloring butter
Assignee: Dyestuffs and Chemicals Inc
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Filing: 1949-09-17
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Granted: 1952-06-17
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Expires: 1969-09-17
Abstract
No abstract record available.
Inventors
- 👤 Adler Leon
- 👤 Harry A Reinhardt
- 👤 Elwood E Ponath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
A; A23; A23C; A23C15/00; A23C15/12; A23C15/02; A23C15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A TABLE COMPRISING OF A STARCHY SUBSTANCE COMPRESSED TO A DENSITY OF MORE THAN ONE GRAM PER CUBIC CENTIMETER, AND A WATER-INSOLUBLE DYE, SAID TABLET BEING THIXOTROPICALLY DISPERSIBLE IN AN AQUEOUS MEDIUM.
Claim 2
Dependent Claim
32 words
A TABLE COMPRISING OF A STARCHY SUBSTANCE COMPRESSED TO A DENSITY OF MORE THAN ONE GRAM PER CUBIC CENTIMETER, AND A WATER-INSOLUBLE DYE, SAID TABLET BEING THIXOTROPICALLY DISPERSIBLE IN AN AQUEOUS MEDIUM.
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) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |