Patent US3476827A successfully refreshed from Google Patents.
US3476827A
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Coating compositions comprising polysilicic acid,selected organic polymers,and selected silicones
Assignee: EIDP Inc
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Filing: 1965-06-15
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Granted: 1969-11-04
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Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Eugene Herman Engelhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:13
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/14; C08; C08L; C08L77/00; C09D127/00; C09D127/02; C09D127/12; C09D127/18; C09D129/02; C09D129/04; C09D129/10; C09D131/00; C09D131/02; C09D131/04; C08L83/00; C08L83/02; C08L83/04; C08L83/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2404426A
Cited
US2404357A
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US2440711A
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US2834748A
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US2917480A
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US3305504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |