Patent US1950397A successfully refreshed from Google Patents.
Patent US3133403A successfully refreshed from Google Patents.
US3133403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable yarn guides adapted for use on double twist spindles
Assignee: Oerlikon Barmag AG
•
Filing: 1963-02-08
•
Granted: 1964-05-19
•
Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Lenk Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:28
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/10; D01H13/104; D01H13/106; B; B65; B65H; B65H57/00; B65H57/18; B65H57/20; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE COMBINATION COMPRISING A ROTATABL, HEAD, AN ARM EXTENDING OUTWARDLY FROM SAID HEAD, A YARN GUIDE CARRIED BY SAID ARM, DRAG MEANS EXERTING A ROTATIONAL DRAG FORCE ON SAID ROTATBLE HEAD, MEANS MOUNTING SAID ARM ON SAID FOR ROTATION WITH SAID HEAND AND ALSO FOR LIMITED MOVEMENT OF SAID ARM RELATIVE TO SAID HEAD UPON AN INCREASE IN TENSION OF YARN RUNNING THROUGH SAID YARN GUIDE WHEN SAID HEAD AND ARM ARE ROTATING, AND MEANS OPERATIVELY ASSOCIATED WITH SAID ARM AND RESPONSIVE TO SAID MOVEMENT OF SAID ARM UPON SAID INCREASE IN TENSION OF SAID YARN FOR DECREASING SAID ROTATIONAL DRAG FORCE ON SAID HEAD.
Claim 2
Dependent Claim
105 words
THE COMBINATION COMPRISING A ROTATABL, HEAD, AN ARM EXTENDING OUTWARDLY FROM SAID HEAD, A YARN GUIDE CARRIED BY SAID ARM, DRAG MEANS EXERTING A ROTATIONAL DRAG FORCE ON SAID ROTATBLE HEAD, MEANS MOUNTING SAID ARM ON SAID FOR ROTATION WITH SAID HEAND AND ALSO FOR LIMITED MOVEMENT OF SAID ARM RELATIVE TO SAID HEAD UPON AN INCREASE IN TENSION OF YARN RUNNING THROUGH SAID YARN GUIDE WHEN SAID HEAD AND ARM ARE ROTATING, AND MEANS OPERATIVELY ASSOCIATED WITH SAID ARM AND RESPONSIVE TO SAID MOVEMENT OF SAID ARM UPON SAID INCREASE IN TENSION OF SAID YARN FOR DECREASING SAID ROTATIONAL DRAG FORCE ON SAID HEAD.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |