US3426100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline block polyester-polycarbonates
Assignee: EIDP Inc
•
Filing: 1964-11-03
•
Granted: 1969-02-04
•
Expires: 1984-11-03
Abstract
No abstract record available.
Inventors
- 👤 Leslie Marvin Mcdonough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:27
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02; C08G; C08G63/00; C08G63/64; C08G63/78; C08G63/81; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10855
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3119787A
Cited
US2623031A
Cited
US3000849A
Cited
US3207814A
Cited
US3218372A
Cited
US3278640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |