Patent US3123587A successfully refreshed from Google Patents.
US3123587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester wash-wear fabric
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:57
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08G63/6886; D; D01; D01F; D01F6/00; D01F6/78; D01F6/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A FABRIC COMPRISED OF FIBERS OF A POLYMERIC SYNTHETIC LINEAR FIBER-FORMING CONDENSATION COPOLESTER OF (1) A NAPHTHALENEDICARBOXYLIC ACID; (2) A GLYCOL SELECTED FROM THE CLASS CONSISTING OF ETHYLENE GLYCOL, P-HEXAHYDROXYLYLENE GLYCOL, AND THEIR ESTER-FORMING DERIVATIVES; AND (3) FROM 1% TO 5% THEREOF OF A COMPOUND HAVING THE FORMULA XNRSO3M IN WHICH X IS A GROUP SELECTED FROM THE CLASS CONSISTING OF CARBOXYL, HYDROXYL AND ESTER-FORMING DERIVATIVES THEREOF; N IS AN INTEGER FROM 1 TO 2; R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF HYDROCARBONS, HALOGEN SUBSTITUTED HYDROCARBONS AND CHALKOGEN SUBSTITUTED HYDROCARBONS; SAID HYDROCARBON GROUP BEING FREE FROM ALIPHATIC UNSATURATION; AND M IS A METAL.
Claim 2
Dependent Claim
106 words
A FABRIC COMPRISED OF FIBERS OF A POLYMERIC SYNTHETIC LINEAR FIBER-FORMING CONDENSATION COPOLESTER OF (1) A NAPHTHALENEDICARBOXYLIC ACID; (2) A GLYCOL SELECTED FROM THE CLASS CONSISTING OF ETHYLENE GLYCOL, P-HEXAHYDROXYLYLENE GLYCOL, AND THEIR ESTER-FORMING DERIVATIVES; AND (3) FROM 1% TO 5% THEREOF OF A COMPOUND HAVING THE FORMULA XNRSO3M IN WHICH X IS A GROUP SELECTED FROM THE CLASS CONSISTING OF CARBOXYL, HYDROXYL AND ESTER-FORMING DERIVATIVES THEREOF; N IS AN INTEGER FROM 1 TO 2; R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF HYDROCARBONS, HALOGEN SUBSTITUTED HYDROCARBONS AND CHALKOGEN SUBSTITUTED HYDROCARBONS; SAID HYDROCARBON GROUP BEING FREE FROM ALIPHATIC UNSATURATION; AND M IS A METAL.
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |