US3271365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters of decahydronaphthalenedicarboxylic acid and dihydric phenols
Assignee: EIDP Inc
•
Filing: 1962-11-05
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Granted: 1966-09-06
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Fred M Parham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:56
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A FIBER-FORMING LINEAR POLYESTER OF DECAHYDRONAPHTHALENEDICARBOXYLIC ACID, AT LEAST 80 MOL PERCENT OF THE RECURRENT UNITS BEING REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
22 words
A FIBER-FORMING LINEAR POLYESTER OF DECAHYDRONAPHTHALENEDICARBOXYLIC ACID, AT LEAST 80 MOL PERCENT OF THE RECURRENT UNITS BEING REPRESENTED BY THE GENERAL 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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |