US3233437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of webs or yarns
Assignee: Heberlein Patent Corp
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Filing: 1964-01-20
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Granted: 1966-02-08
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Windhausen Karl Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:37
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/02; D06B23/025; D06B5/00; D06B5/12; D06C; D06C7/00; D06C2700/00; D06C2700/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
APPARATUS OF THE CLASS DESCRIBED COMPRISING, A DRUM FORMED WITH A SERIES OF PERFORATIONS IN ITS CYLINDRICAL SURFACE, MEANS MOUNTING SAID DRUM FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, MEANS FOR INTRODUCING FLUID INTO THE DRUM, A PLURALITY OF PERFORATED FLEXIBLE BANDS ADJACENT THE INNER CYLINDRICAL SURFACE OF THE DRUM, AND MEANS SELECTIVELY POSITIONING THE BANDS INDIVIDUALLY TO LOCATE THE PERFORATIONS THEREIN RELATIVELY TO THE PERFORATIONS IN SAID DRUM.
Claim 2
Dependent Claim
68 words
APPARATUS OF THE CLASS DESCRIBED COMPRISING, A DRUM FORMED WITH A SERIES OF PERFORATIONS IN ITS CYLINDRICAL SURFACE, MEANS MOUNTING SAID DRUM FOR ROTATION ABOUT ITS LONGITUDINAL AXIS, MEANS FOR INTRODUCING FLUID INTO THE DRUM, A PLURALITY OF PERFORATED FLEXIBLE BANDS ADJACENT THE INNER CYLINDRICAL SURFACE OF THE DRUM, AND MEANS SELECTIVELY POSITIONING THE BANDS INDIVIDUALLY TO LOCATE THE PERFORATIONS THEREIN RELATIVELY TO THE PERFORATIONS IN SAID DRUM.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |