US2150692A
Expired / Lapsed
US
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Dye composition and art of coloring therewith
Assignee: Eastman Kodak Co
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Filing: 1937-09-16
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Granted: 1939-03-14
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Expires: 1957-09-16
Abstract
No abstract record available.
Inventors
- 👤 James G Mcnally
- 👤 John A Leermakers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0084; C09B67/0085; C09B67/009; D; D06; D06P; D06P1/00; D06P1/44; D06P1/46; D06P1/48; D06P1/50; D06P3/00; D06P3/34; D06P3/40; D06P3/42; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
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) | 1942-03-13 | 1942-09-12 | 1943-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-13 | 1946-09-12 | 1947-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-13 | 1950-09-12 | 1951-03-14 | $7700.00 | Window Closed / Lapsed |