US3288880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation polymers, for stabilizing polymeric structures, composed of hydroxyaromatic ketone, aldehyde, and phenol
Assignee: EIDP Inc
•
Filing: 1964-09-08
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Granted: 1966-11-29
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Tocker Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:12
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A THERMOPLASTIC LINEAR POLYMER CONSISTING ESSENTIALLY OF RECURING GROUPS A, B, AND C OF THE FORMULAE
Claim 2
Dependent Claim
16 words
A THERMOPLASTIC LINEAR POLYMER CONSISTING ESSENTIALLY OF RECURING GROUPS A, B, AND C OF THE FORMULAE
References Cited (Backward Citations)
US1614172A
Cited
US2241422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |