US3023192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Segmented copolyetherester elastomers
Assignee: EIDP Inc
•
Filing: 1958-05-29
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Granted: 1962-02-27
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Expires: 1978-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Clois Shivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:27
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02; C08L67/025; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/672; Y; Y10; Y10S; Y10S264/00; Y10S264/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A SEGMENTED COPOLYMER HAVING AN ELASTIC RECOVERY OF AT LEAST 90% AND A STRESS DECAY BELOW ABOUT 25% CONSISTING ESSENTIALLY OF A MUTIPLICITY OF RECURRING INTRALINEAR ETHERESTER AND ESTER UNITS, SAID ETHERESTER UNITS BEING REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
38 words
A SEGMENTED COPOLYMER HAVING AN ELASTIC RECOVERY OF AT LEAST 90% AND A STRESS DECAY BELOW ABOUT 25% CONSISTING ESSENTIALLY OF A MUTIPLICITY OF RECURRING INTRALINEAR ETHERESTER AND ESTER UNITS, SAID ETHERESTER UNITS BEING REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2744087A
Cited
US2744095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |