US3356047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tufting needle and method of making same
Assignee: Callaway Mills Co
•
Filing: 1965-08-02
•
Granted: 1967-12-05
•
Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Joe T Short
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
D; D05; D05C; D05C15/00; D05C15/04; D05C15/08; D05C15/16; D05C15/20; D05D; D05D2207/00; D05D2207/02; D05D2207/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A TUFTING NEEDLE COMPRISING A CYLINDRICAL SHANK PROVIDED WITH A CYLINDRICAL AXIAL YARN PASSAGEWAY, AND MEANS TO ADMIT AIR TO SAID PASSAGEWAY TO BLOW YARN THERETHROUGH, SAID SHANK BEING BEVELED AT ITS LOWER END, SAID PASSAGEWAY HAVING A YARN INLET OPENING AT ONE END AND AN INCLINED ELLIPTICAL YARN DISCHARGE OPENING AT ITS OTHER END DEFINED BY THE BEVEALED LOWER END OF SAID SHANK, SAID ELLIPTICAL YARN DISCHARGE OPENING BEING IN AXIAL ALIGNMENT WITH SAID PASSAGEWAY, SAID BEVELED LOWER END OF SAID SHANK BEING ARCUATE IN CROSS SECTION AND HAVING A TAPER EXTENDING CONVEXLY INWARDLY SUBSTANTIALLY AROUND ITS ENTIRE CIRCUMFERENCE, SAID TAPER MERGING SMOOTHLY WITH THE REMAINDER OF SAID SHANK AT A CIRCUMFERENTIAL LINE
Claim 2
Dependent Claim
114 words
A TUFTING NEEDLE COMPRISING A CYLINDRICAL SHANK PROVIDED WITH A CYLINDRICAL AXIAL YARN PASSAGEWAY, AND MEANS TO ADMIT AIR TO SAID PASSAGEWAY TO BLOW YARN THERETHROUGH, SAID SHANK BEING BEVELED AT ITS LOWER END, SAID PASSAGEWAY HAVING A YARN INLET OPENING AT ONE END AND AN INCLINED ELLIPTICAL YARN DISCHARGE OPENING AT ITS OTHER END DEFINED BY THE BEVEALED LOWER END OF SAID SHANK, SAID ELLIPTICAL YARN DISCHARGE OPENING BEING IN AXIAL ALIGNMENT WITH SAID PASSAGEWAY, SAID BEVELED LOWER END OF SAID SHANK BEING ARCUATE IN CROSS SECTION AND HAVING A TAPER EXTENDING CONVEXLY INWARDLY SUBSTANTIALLY AROUND ITS ENTIRE CIRCUMFERENCE, SAID TAPER MERGING SMOOTHLY WITH THE REMAINDER OF SAID SHANK AT A CIRCUMFERENTIAL LINE
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |