Patent US3362149A successfully refreshed from Google Patents.
US3362149A
Expired / Lapsed
US
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Method and apparatus for making yarn in a continuous helical spiral
Assignee: Joseph Bancroft and Sons Co
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Filing: 1966-01-24
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Granted: 1968-01-09
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Dale G Holinbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:18
CPC Classifications
D; D02; D02G; D02G1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE METHOD OF MAKING A CONTINUOUS HELICAL SPIRAL YARN WHICH COMPRISES THE STEPS OF WINDING THE YARN TO BE HELICIZED AROUND A REVOLVING STRAND OF TWISTABLE MATERIAL, WHICH MOVES IN A DIRECTION OF ITS LONGITUDINAL AXIS THROUGH A HEATING ZONE MAINTAINING A TEMPERATURE IN THE HEATING ZONE ADEQUATE TO IMPARTING A PERMANENT SET TO SAID YARN, AND REMOVING IT FROM SAID STRAND TO A RECEIVING MEANS AT A POINT LOCATED BEYOND THE SAID HEATING ZONE.
Claim 2
Independent Claim
75 words
THE METHOD OF MAKING A CONTINUOUS HELICAL SPIRAL YARN WHICH COMPRISES THE STEPS OF WINDING THE YARN TO BE HELICIZED AROUND A REVOLVING STRAND OF TWISTABLE MATERIAL, WHICH MOVES IN A DIRECTION OF ITS LONGITUDINAL AXIS THROUGH A HEATING ZONE MAINTAINING A TEMPERATURE IN THE HEATING ZONE ADEQUATE TO IMPARTING A PERMANENT SET TO SAID YARN, AND REMOVING IT FROM SAID STRAND TO A RECEIVING MEANS AT A POINT LOCATED BEYOND THE SAID HEATING ZONE.
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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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |