US2472680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making coating compositions using polyethylene coated pigments
Assignee: EIDP Inc
•
Filing: 1945-02-13
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Granted: 1949-06-07
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Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Pratt Burt Carlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:11
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/62; C01; C01P; C01P2004/00; C01P2004/20; C01P2004/50; C01P2004/80; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |