US3373554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn twisting apparatus
Assignee: Heberlein Patent Corp
•
Filing: 1966-05-02
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Granted: 1968-03-19
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Raschle Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:04
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/08; D02G1/087; D02G1/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A FALSE TWIST DEVICE OF THE CLASS DESCRIBED FOR TEXTURING TEXTILE YARN COMPRISING: TWIST IMPARTING MEMBERS POSITIONED TO HAVE AT LEAST PARTIALLY OVERLAPPING CONTACTING PORTIONS AT A YARN TWISTING ZONE THROUGH WHICH YARN IS ADVANCED, MEANS DRIVING SAID MEMBERS IN RESPECTIVE DIRECTIONS WHEREBY THE CONTACTING PORTIONS THEREOF MOVE IN OPPOSITE DIRECTIONS, AND MAGNETIC MEANS URGING AT LEAST ONE OF SAID CONTACTING PORTIONS TOWARDS THE OTHER FRICTIONALLY TO ENGAGE YARN PASSING THROUGH SAID ZONE AND IMPART A FALSE TWIST THERETO..
Claim 2
Dependent Claim
79 words
A FALSE TWIST DEVICE OF THE CLASS DESCRIBED FOR TEXTURING TEXTILE YARN COMPRISING: TWIST IMPARTING MEMBERS POSITIONED TO HAVE AT LEAST PARTIALLY OVERLAPPING CONTACTING PORTIONS AT A YARN TWISTING ZONE THROUGH WHICH YARN IS ADVANCED, MEANS DRIVING SAID MEMBERS IN RESPECTIVE DIRECTIONS WHEREBY THE CONTACTING PORTIONS THEREOF MOVE IN OPPOSITE DIRECTIONS, AND MAGNETIC MEANS URGING AT LEAST ONE OF SAID CONTACTING PORTIONS TOWARDS THE OTHER FRICTIONALLY TO ENGAGE YARN PASSING THROUGH SAID ZONE AND IMPART A FALSE TWIST THERETO..
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |