Patent UST925005I4 successfully refreshed from Google Patents.
UST925005I4
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defensive publication
Assignee: —
•
Filing: 1973-10-01
•
Granted: 1974-08-06
•
Expires: 1993-10-01
Abstract
Abstract THIS INVENTION RELATES TO TEXTILE FIBERS OF A COMPOSITION COMPRISING A COPOLYESTER OF TEREPHTHALIC ACID, ADIPIC ACID, ETHYLENE GLYCOL, AND, 1,4-BUTAANEDIOL. THESE FIBERS CAN BE PROCESSED INTO THREADS FABRICS OR WEBS FOR USE IN HEMMING, SEAMING OR INTERLININH FABRICS.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:47
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |