US3324199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear polymeric ketones containing a multiplicity of hydroxy arylene groups
Assignee: EIDP Inc
•
Filing: 1964-06-26
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Granted: 1967-06-06
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:07
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C07; C07C; C07C49/00; C07C49/76; C07C49/82; C07C49/83; C08G61/00; C08L; C08L101/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A SUBSTANTIALLY LINEAR POLYMER HAVING A MULIPLICITY OF
Claim 2
Dependent Claim
8 words
A SUBSTANTIALLY LINEAR POLYMER HAVING A MULIPLICITY OF
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |