US3295306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double twist twisting process and apparatus
Assignee: Oerlikon Barmag AG
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Filing: 1964-11-20
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Granted: 1967-01-03
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Expires: 1984-11-20
Abstract
No abstract record available.
Inventors
- 👤 Rehn Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:16
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/30; D01H13/306
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
IN COMBINATION WITH A DOUBLE TWIST THREAD TWISTING APPARATUS HAVING A HOLLOW BOBBIN SPINDLE AND A THREAD CONTACTING SURFACE FOR UPWARDLY GUIDING THE TWISTED THREAD INTO AND THROUGH AN OUTER BALLOON PATTERN, CONTINUOUS SUPPLY MEANS FOR COATING A SMALL AMOUNT OF LUBRICATING AGENT ONTO THE EXTERNAL SURFACE OF SAID TWISTED THREAD FROM SAID THREAD CONTACTING SURFACE, SAID SUPPLY MEANS BEING LOCATED ADJACENT TO AND IN LIQUID CONNECTION WITH SAID THREAD CONTACTING SURFACE.
References Cited (Backward Citations)
DE594542C
Cited
US3159962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |