US3655604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions containing fluorocarbon polymer and colloidal silica
Assignee: EIDP Inc
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Filing: 1969-05-15
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Granted: 1972-04-11
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Expires: 1989-05-15
Abstract
Abstract A COMPOSITION FOR PRIMING A SURFACE TO IMPROVE ADHESION OF A FLUOROCARBON POLYMER TOPCOAT. THE COMPOSITION CONTAINS AN AMMONIA STABILIZED XOLLOIDAL SILICA SOL, A PARTICULATE FLUOROCARBON POLYMER AND A LIQUID CARRIER.
Inventors
- 👤 Clifford H Strolle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:09
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; B05D7/00; B05D7/50; B05D7/52; B05D7/54; B05D7/546
Claims Analysis
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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) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |