US3274644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable profile chimney
Assignee: EIDP Inc
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Filing: 1964-04-27
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Granted: 1966-09-27
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Massey William Moore
- 👤 Bill L Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D01D5/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN COMBINATION WITH APPARATUS FOR COOLING TEXTILE FILAMENTS FORMED BY EXTRUDING MOLTEN FILM-FORMING MATERIAL THROUGH A SPINNERET, A QUENCHING CHAMBER COMPRISING ESSENTIALLY VERTICAL INLET AND OUTLET PANELS FOR ALLOWING A GASEOUS COOLING MEDIUM TO PASS THROUGH SAID CHAMBER, AND MEANS FOR PASSING THE EXTRUDED FILAMENTS VERTICALLY DOWNWARDS THROUGH SAID CHAMBER, EACH OF SAID INLET AND OUTLET PANELS COMPRISING A PLURALITY OF ADJACENT, HORIZONTALLY DISPOSED SECTIONS AND EACH OF AID SECTIONS CONTAIN-
Claim 2
Dependent Claim
71 words
IN COMBINATION WITH APPARATUS FOR COOLING TEXTILE FILAMENTS FORMED BY EXTRUDING MOLTEN FILM-FORMING MATERIAL THROUGH A SPINNERET, A QUENCHING CHAMBER COMPRISING ESSENTIALLY VERTICAL INLET AND OUTLET PANELS FOR ALLOWING A GASEOUS COOLING MEDIUM TO PASS THROUGH SAID CHAMBER, AND MEANS FOR PASSING THE EXTRUDED FILAMENTS VERTICALLY DOWNWARDS THROUGH SAID CHAMBER, EACH OF SAID INLET AND OUTLET PANELS COMPRISING A PLURALITY OF ADJACENT, HORIZONTALLY DISPOSED SECTIONS AND EACH OF AID SECTIONS CONTAIN-
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |