US3489595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions containing perfluorohalocarbon polymer,phosphoric acid and aluminum oxide,boron oxide or aluminum phosphate
Assignee: EIDP Inc
•
Filing: 1966-12-22
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Granted: 1970-01-13
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 James A Brown Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; B05D7/00; B05D7/50; B05D7/52; B05D7/54; C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; B05D2202/00; B05D2202/20; B05D2202/25; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2562118A
Cited
US3202626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |