Patent US3248802A successfully refreshed from Google Patents.
US3248802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable dryer fabrics
Assignee: Huyck Corp
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Filing: 1964-12-09
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Granted: 1966-05-03
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:04
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A BELT SUITABLE FOR USE IN THE DRYING SECTION OF A PAPER MACHINE WHICH COMPRISES A POROUS WOVEN FABRIC FORMED OF SYNTHETIC RESIN YARNS WHICH NORMALLY SHRINK ON THE APPLICATION OF HEAT THERETO AND NORMALLY ELONGATE ON GOING FROM A DRY TO A WET CONDITION, THE YARNS OF SAID FABRIC HAVING SUBSTANTIALLY ALL OF THE RESIDUAL SHRINKAGE THEREOF REMOVED, AT LEAST THOSE YARNS WHICH EXTEND IN THE MACHINE DIRECTION AT THE BELT BEING CAPABLE OF SLIGHT SHRINKAGE AT TEMPERATURE ABOVE THOSE ENCOUNTERED IN THE USE OF THE BELT.
Claim 2
Dependent Claim
88 words
A BELT SUITABLE FOR USE IN THE DRYING SECTION OF A PAPER MACHINE WHICH COMPRISES A POROUS WOVEN FABRIC FORMED OF SYNTHETIC RESIN YARNS WHICH NORMALLY SHRINK ON THE APPLICATION OF HEAT THERETO AND NORMALLY ELONGATE ON GOING FROM A DRY TO A WET CONDITION, THE YARNS OF SAID FABRIC HAVING SUBSTANTIALLY ALL OF THE RESIDUAL SHRINKAGE THEREOF REMOVED, AT LEAST THOSE YARNS WHICH EXTEND IN THE MACHINE DIRECTION AT THE BELT BEING CAPABLE OF SLIGHT SHRINKAGE AT TEMPERATURE ABOVE THOSE ENCOUNTERED IN THE USE OF THE BELT.
References Cited (Backward Citations)
CA643915A
Cited
US3123892A
Cited
US2312710A
Cited
US2341735A
Cited
US2865409A
Cited
US2821771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |