US3075274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making and finishing papermaker's felts
Assignee: Appleton Mills
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Filing: 1959-09-23
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Granted: 1963-01-29
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Expires: 1979-09-23
Abstract
No abstract record available.
Inventors
- 👤 Louis R Mizell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:39
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/0027; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3049; Y10T442/3976; Y10T442/3992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD OF MAKING A PAPERMAKERS'' FELT CHARACTERIZED BY INCREASED STTRUCTURAL STABILITY UNIFORM THICKNESS IMPROVED SPLICE-HOLDINGG PROPERTIES, AND A SURFACE WHICH HAS A SMOOTH, FFLAT, PAPERLIKE FINISH WHEREIN THE ENMESHED YARN STRUCTURE OF THE SURFACE IS SUBSTANTIALLY OBSCURED COMPRISING WEAVING A FABRIC FROM YARNS COMPOSED PREDOMINANTLY OF HEAT-SHRINKABLE SYNTHETIC RESINOUS MATERIALS, HEAT-SHRINKING THE WOVEN FABRIC TO STABILIZE THE
Claim 2
Independent Claim
58 words
A METHOD OF MAKING A PAPERMAKERS'' FELT CHARACTERIZED BY INCREASED STTRUCTURAL STABILITY UNIFORM THICKNESS IMPROVED SPLICE-HOLDINGG PROPERTIES, AND A SURFACE WHICH HAS A SMOOTH, FFLAT, PAPERLIKE FINISH WHEREIN THE ENMESHED YARN STRUCTURE OF THE SURFACE IS SUBSTANTIALLY OBSCURED COMPRISING WEAVING A FABRIC FROM YARNS COMPOSED PREDOMINANTLY OF HEAT-SHRINKABLE SYNTHETIC RESINOUS MATERIALS, HEAT-SHRINKING THE WOVEN FABRIC TO STABILIZE THE
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |