US3626558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile heater apparatus
Assignee: Ernest Scragg and Sons Ltd
•
Filing: 1969-12-31
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Granted: 1971-12-14
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Expires: 1989-12-31
Abstract
Abstract A YARN HEATER FOR HEATING A PLURALITY OF YARNS IN A MULTISTATION YARN PROCESSING MACHINE HAS A SINGLE HEATING UNIT SANDWICHED IN HEAT-CONDUCTING RELATIONSHIP BETWEEN TWO THERMALLY CONDUCTIVE PLATES, EACH OF WHICH IS PROVIDED AT ITS SIDE FACING AWAY FROM THE HEATING UNIT WITH HEATER TUBES THROUGH WHICH THE YARN IS TO PASS. THESE HEATER TUBES MAY EXTEND IN PARALLELISM OR AT AN ANGLE OF INCLINATION TO AN EDGE OF THE RESPECTIVELY ASSOCIATED PLATE.
Inventors
- 👤 Walter Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:54
CPC Classifications
D; D02; D02J; D02J13/00; D02J13/001; D01; D01D; D01D10/00; D01D10/02; D01D10/04; D01D10/0436; D01D10/0481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |