Patent US2334760A successfully refreshed from Google Patents.
Patent US3017685A successfully refreshed from Google Patents.
US3017685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of fabrics from specially prepared yarns
Assignee: Heberlein Patent Corp
•
Filing: 1958-05-15
•
Granted: 1962-01-23
•
Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Heberlein Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:39
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS WHICH COMPRISES HEATING A TWISTED, HEATSET AND DETWISTED STRETCH YARN OF SYNTHETIC RESIN POLYMER UNDER LOW TENSION AT A LOWER TEMPERATURE THAN THAT EMPLOYED FOR HEAT-SETTING THE TWISTED YARN TO REDUCT TEMPORARILY THE TENDENCY TO CRIMP OF THE YARN AND CAUSE IT TO LIE FLAT FOR FABRICATION, FORMING A FABRIC THEREFROM, AND SUBJECTING THE FABRIC TO A MOIST HEAT TREATMENT TO RESTORE A SUBSTANTIAL PART OF ITS ORIGINAL CRIMP CHARACTER.
Claim 2
Dependent Claim
72 words
A PROCESS WHICH COMPRISES HEATING A TWISTED, HEATSET AND DETWISTED STRETCH YARN OF SYNTHETIC RESIN POLYMER UNDER LOW TENSION AT A LOWER TEMPERATURE THAN THAT EMPLOYED FOR HEAT-SETTING THE TWISTED YARN TO REDUCT TEMPORARILY THE TENDENCY TO CRIMP OF THE YARN AND CAUSE IT TO LIE FLAT FOR FABRICATION, FORMING A FABRIC THEREFROM, AND SUBJECTING THE FABRIC TO A MOIST HEAT TREATMENT TO RESTORE A SUBSTANTIAL PART OF ITS ORIGINAL CRIMP CHARACTER.
References Cited (Backward Citations)
US2411132A
Cited
US2635323A
Cited
US2685120A
Cited
US2676384A
Cited
US2796655A
Cited
US2741825A
Cited
US2857653A
Cited
US2828528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |