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US2092838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment and process of making
Assignee: Individual
•
Filing: 1936-04-17
•
Granted: 1937-09-14
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Expires: 1956-04-17
Abstract
No abstract record available.
Inventors
- 👤 Henry A Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:09
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0081; C09C1/0084; C09C1/0087; C09C1/04; C09C1/06; C09C1/22; C09C1/28; C09C1/36; C09C1/3607; C09C1/3653; C09C1/3661; C09C1/40; C09C3/00; C09C3/06; C09C3/063; C01; C01P; C01P2006/00; C01P2006/60
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) | 1940-09-13 | 1941-03-15 | 1941-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-09-13 | 1945-03-15 | 1945-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-09-13 | 1949-03-15 | 1949-09-14 | $7700.00 | Window Closed / Lapsed |