US3123969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn twisting device
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04; D02G1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A DEVICE FOR TWISTING YARN, COMPRISING, IN COMBINATION WITH A PLURALITY OF DISCS ROTATABLE ABOUT SPACED FIXED AXES AND FORMING THEREBETWEEN A THROAT, A TUBULAR TWISTING SPINDLE, ADAPTED FOR ROTATION, RECEIVED WITHIN SAID THROAT, DRIVE MEANS FOR IMPARTING ROTATION TO SAID TUBULAR TWISTING SPINDLE AND FOR URGING THE SAME INTO THE THROAT OF SAID DISCS, AND MEANS INCLUDING AN AIR BEARING FOR PREVENTING MOVEMENT OF SAID TUBULAR TWISTING SPINDLE IN THE DIRECTION OF YARN ADVANCE, SAID AIR BEARING COMPRISING AN ANNULAR COLLAR POSITIONED ON SAID TUBULAR TWISTING SPINDLE AND A RELATIVELY FIXED ANNULAR AIR CHAMBER COOPERATING WITH SAID COLLAR AND HAVING A SOURCE OF SUPPLY OF COMPRESSED AIR CONNECTED THERETO.
Claim 2
Independent Claim
110 words
A DEVICE FOR TWISTING YARN, COMPRISING, IN COMBINATION WITH A PLURALITY OF DISCS ROTATABLE ABOUT SPACED FIXED AXES AND FORMING THEREBETWEEN A THROAT, A TUBULAR TWISTING SPINDLE, ADAPTED FOR ROTATION, RECEIVED WITHIN SAID THROAT, DRIVE MEANS FOR IMPARTING ROTATION TO SAID TUBULAR TWISTING SPINDLE AND FOR URGING THE SAME INTO THE THROAT OF SAID DISCS, AND MEANS INCLUDING AN AIR BEARING FOR PREVENTING MOVEMENT OF SAID TUBULAR TWISTING SPINDLE IN THE DIRECTION OF YARN ADVANCE, SAID AIR BEARING COMPRISING AN ANNULAR COLLAR POSITIONED ON SAID TUBULAR TWISTING SPINDLE AND A RELATIVELY FIXED ANNULAR AIR CHAMBER COOPERATING WITH SAID COLLAR AND HAVING A SOURCE OF SUPPLY OF COMPRESSED AIR CONNECTED THERETO.
References Cited (Backward Citations)
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Cited
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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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |