US3225119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic copolymer of vinyl monomer and cyanate monomer
Assignee: EIDP Inc
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Filing: 1962-05-16
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Granted: 1965-12-21
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jr William P Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:40
CPC Classifications
C; C08; C08G; C08G18/00; C08F; C08F236/00; C08F236/02; C08F236/04; C08G18/04; C08G73/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A NORMALLY SOLID THERMOPLASTIC COPOLYMER HAVING AT LEAST ONE CONSTITUENT INCORPORATED SINGLY AS A NON-RECURRING CENTRAL DISCRETE SEGMENT, SAID CONSTITUENT BEING A POLYMERIZED VINYL MONOMER, SAID CENTRAL SEGMENT BEING COMPOSED OF AT LEAST 10 UNITS OF SAID VINYL MONOMER AND HAVING ATTACHED AT EACH END AT LEAST ONE ADDITIONAL POLYMER SEGMENT OF A CYANATE MONOMER OF THE FORMULA
Claim 2
Dependent Claim
58 words
A NORMALLY SOLID THERMOPLASTIC COPOLYMER HAVING AT LEAST ONE CONSTITUENT INCORPORATED SINGLY AS A NON-RECURRING CENTRAL DISCRETE SEGMENT, SAID CONSTITUENT BEING A POLYMERIZED VINYL MONOMER, SAID CENTRAL SEGMENT BEING COMPOSED OF AT LEAST 10 UNITS OF SAID VINYL MONOMER AND HAVING ATTACHED AT EACH END AT LEAST ONE ADDITIONAL POLYMER SEGMENT OF A CYANATE MONOMER OF THE FORMULA
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |