Patent US3226773A successfully refreshed from Google Patents.
US3226773A
Expired / Lapsed
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Method and apparatus for opening and applying finishes to multifilament tows
Assignee: Celanese Corp
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Filing: 1960-09-26
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Granted: 1966-01-04
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Paliyenko Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:02
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/04; D06B3/045; D02; D02J; D02J1/00; D02J1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE PROCESS OF OPENING AN INITIALLY COMPACT STRAND COMPOSED OF A PLURALITY OF RELATIVELY CLOSELY ADJACENT INDIVIDUAL FILAMENTS, COMPRISING THE STEPS OF PASSING SAID STRAND THROUGH A RELATIVELY WIDER PASSAGEWAY AND INTRODUCING HIGH PRESSURE COMPRESSIBLE INERT FLUID INTO SAID PASSAGEWAY IN THE FORM OF A PLURALITY OF PLANAR STREAMS OF SAID FLUID ARRANGED AT AN ANGLE OF APPROXIMATELY 30* TO APPROXIMATELY 60* TRANSVERSELY TO THE PATH OF THE STRAND SO THAT THE ENTIRE WIDTH OF SAID STRAND IS CONTACTED BY SAID FLUID.
Claim 2
Dependent Claim
82 words
THE PROCESS OF OPENING AN INITIALLY COMPACT STRAND COMPOSED OF A PLURALITY OF RELATIVELY CLOSELY ADJACENT INDIVIDUAL FILAMENTS, COMPRISING THE STEPS OF PASSING SAID STRAND THROUGH A RELATIVELY WIDER PASSAGEWAY AND INTRODUCING HIGH PRESSURE COMPRESSIBLE INERT FLUID INTO SAID PASSAGEWAY IN THE FORM OF A PLURALITY OF PLANAR STREAMS OF SAID FLUID ARRANGED AT AN ANGLE OF APPROXIMATELY 30* TO APPROXIMATELY 60* TRANSVERSELY TO THE PATH OF THE STRAND SO THAT THE ENTIRE WIDTH OF SAID STRAND IS CONTACTED BY SAID FLUID.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |