US2290130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable solution for producing ice colors
Assignee: Wyeth Holdings LLC
•
Filing: 1940-06-07
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Granted: 1942-07-14
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Expires: 1960-06-07
Abstract
No abstract record available.
Inventors
- 👤 Parker Robert Prescott
- 👤 Conn Robert Carland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:54
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/65106; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0079
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-07-13 | 1946-01-12 | 1946-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-13 | 1950-01-12 | 1950-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-13 | 1954-01-12 | 1954-07-14 | $7700.00 | Window Closed / Lapsed |