US3429845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising polysilicic acid and copolymers of fluorinated monomers with omega-hydroxyalkyl vinyl ethers
Assignee: EIDP Inc
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Filing: 1965-06-15
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Granted: 1969-02-25
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Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Max F Bechtold
- 👤 Frank Shumate Fawcett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:02
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D183/00; C09D183/02; C08; C08L; C08L83/00; C08L83/02; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31913
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) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |