Patent US3429840A successfully refreshed from Google Patents.
US3429840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic resins containing cellulose butyrate benzoate,coatings and compositions
Assignee: Eastman Kodak Co
•
Filing: 1967-08-14
•
Granted: 1969-02-25
•
Expires: 1987-08-14
Abstract
No abstract record available.
Inventors
- 👤 Jack W Lowe Jr
- 👤 Gilliam S Teague Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:49
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D101/00; C09D101/08; C09D101/10; C09D101/14; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/14; C08L61/00; C08L61/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31692; Y10T428/31696; Y10T428/31699; Y10T428/31703; Y10T428/31855; Y10T428/31942
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |