US3180004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat treatment of textured yarn warp sheets and method
Assignee: Monsanto Co
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Filing: 1963-07-19
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Granted: 1965-04-27
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Don E Fisher
- 👤 William H Hills
- 👤 Mullins David Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:27
CPC Classifications
D; D06; D06C; D06C29/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
132 words
YARN TREATING APPARATUS COMPRISING IN COMBINATION: (A) WALLS DEFINING A GENERALLY J-SHAPED TREATING PASSAGE HAVING AN UPPER INLET LEG AND A LOWER EXIT LEG, (B) STEAM SUPPLY LINES SUPPLYING STEAM TO A PLURALITY OF POINTS ON THE UPPER INLET LEG, (C) FEED MEANS FEEDING YARN INTO THE UPPER END OF SAID INLET LEG, (D) AND MEANS FOR RECOVERING SAID YANR FROM SAID EXIT LEG COMPRISING: (1) MEANS FOR WITHDRAWING SAID YARN FROM SAID EXIT LEG IN THE FORM OF A TOW, (2) FIRST SHAKER MEANS FOR OSCILLATING SAID TOW, (3) GROUP COMB MEANS FOR FORMING SAID TOW INTO A PLURALITY OF GROUPS OF THREADLINES, (4) SECOND SHAKER MEANS FOR SHAKING SAID GROUPS OF THREADLINES, (5) AND END COMB MEANS FOR SEPARATING THE INDIVIDUAL THREADLINES FROM ONE ANOTHER TO FORM A WARP SHEET.
References Cited (Backward Citations)
US2319491A
Cited
US2568446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |