US1651733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nondusting carbon pigment and process of making the same
Assignee: Eastman Kodak Co
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Filing: 1926-11-26
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Granted: 1927-12-06
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Expires: 1946-11-26
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Sheppard
- 👤 Leon W Eberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0092; C09B67/0094; C09B67/0001; C09B67/0004; C09B67/0008; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56
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) | 1930-12-05 | 1931-06-06 | 1931-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-05 | 1935-06-06 | 1935-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-05 | 1939-06-06 | 1939-12-06 | $7700.00 | Window Closed / Lapsed |