US3477969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition of a methacrylate polymer/cellulose acetate butyrate/sucrose benzoate
Assignee: EIDP Inc
•
Filing: 1967-12-12
•
Granted: 1969-11-11
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Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Fred W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:58
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/10; C09D101/14; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3076718A
Cited
US3198784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |