US2386885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigments and process of making the same
Assignee: Sherwin Williams Co
•
Filing: 1941-03-08
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Granted: 1945-10-16
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Expires: 1961-03-08
Abstract
No abstract record available.
Inventors
- 👤 Charles D Downs
- 👤 Harold F Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:13
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3692; C09C1/04; C09C1/06; C09C3/00; C09C3/04; C09C3/041; C09C3/08; C01; C01P; C01P2004/00; C01P2004/20; C01P2004/22; C01P2006/00; C01P2006/20; C01P2006/22; C01P2006/60; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5117
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) | 1948-10-15 | 1949-04-16 | 1949-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-15 | 1953-04-16 | 1953-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-15 | 1957-04-16 | 1957-10-16 | $7700.00 | Window Closed / Lapsed |