US3334601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tufting machines
Assignee: Ellison Tufting Machinery Ltd
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Filing: 1965-03-24
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Granted: 1967-08-08
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Ellison Ronald
- 👤 Pritchard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:24
CPC Classifications
D; D05; D05C; D05C15/00; D05C15/04; D05C15/08; D05C15/26; D05C15/32; D05C15/16; D05C15/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A TUFTING MACHINE FOR MANUFACTURING PILE CARPETS AND FABRICS WHEREIN PLURAL YARNS ARE FED FROM A CREEL BY A CONSTANT-SPEED FEED DEVICE TO PLURAL NEEDLES OPERATIVELY ARRANGED TO LOOP SAID YARNS IN A BASE FABRIC TO FORM SAID PILE CARPETS AND FABRICS, THE COMBINATION WITH SAID CONSTANT-SPEED FEED DEVICE FOR PLURAL VARIABLE YARN TENSIONERS OPERATIVELY ARRANGED TO MAKE SELECTIVE CONTACT WITH EACH SAID YARN FOR VARYING THE TENSION IN EACH AT AN OPERATIVE LOCATION INTERMEDIATE SAID CREEL AND CONSTANT-SPEED FEED DEVICE SUCH THAT THE LENGTH OF EACH YARN FED BY SAID CONSTANT-FEED SPEED DEVICE AND AVAILABLE FOR LOOPING IS A FUNCTION OF SAID SELECTIVE CONTACT.
Claim 2
Dependent Claim
106 words
IN A TUFTING MACHINE FOR MANUFACTURING PILE CARPETS AND FABRICS WHEREIN PLURAL YARNS ARE FED FROM A CREEL BY A CONSTANT-SPEED FEED DEVICE TO PLURAL NEEDLES OPERATIVELY ARRANGED TO LOOP SAID YARNS IN A BASE FABRIC TO FORM SAID PILE CARPETS AND FABRICS, THE COMBINATION WITH SAID CONSTANT-SPEED FEED DEVICE FOR PLURAL VARIABLE YARN TENSIONERS OPERATIVELY ARRANGED TO MAKE SELECTIVE CONTACT WITH EACH SAID YARN FOR VARYING THE TENSION IN EACH AT AN OPERATIVE LOCATION INTERMEDIATE SAID CREEL AND CONSTANT-SPEED FEED DEVICE SUCH THAT THE LENGTH OF EACH YARN FED BY SAID CONSTANT-FEED SPEED DEVICE AND AVAILABLE FOR LOOPING IS A FUNCTION OF SAID SELECTIVE CONTACT.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |