US3392079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Papermakers' felt
Assignee: Huyck Corp
•
Filing: 1964-05-22
•
Granted: 1968-07-09
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene Z Fekete
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/08; D21F7/083; D04; D04H; D04H1/00; D04H1/70; D04H1/72; D04H1/732; D04H5/00; D04H5/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T442/00; Y10T442/60; Y10T442/682; Y10T442/684; Y10T442/686; Y10T442/688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PAPERMAKERS'' FELT COMPRISING A NON-WOVEN ARRAY OF YARNS HAVING AN ABUNDANCE OF SPURIOUS FIBERS, AT LEAST ONE FIBROUS BATT HAVING ONE SURFACE SUBSTANTIALLY CONTIGUOUS WITH ONE SURFACE OF SAID NON-WOVEN ARRAY OF YARNS, SUBSTANTIAL NUMBERS OF THE FIBERS IN SAID FIBROUS BATT BEING ORIENTED SUBSTANTIALLY A RITGHT ANGLES WITH RESPECT TO THE YARNS IN SAID NON-WOVEN ARRAY, THE FIBERS IN SAID FIBROUS BATT BEING ENTANGLED WITH SAID SPURIOUS FIBERS, SAID SPURIOUS FIBERS ALSO BEING ENTANGLED WITH ONE ANOTHER TO FORM A COHESIVE FELT HAVING IMPROVED STRENGTH CHARACTERISTICS.
Claim 2
Dependent Claim
88 words
A PAPERMAKERS'' FELT COMPRISING A NON-WOVEN ARRAY OF YARNS HAVING AN ABUNDANCE OF SPURIOUS FIBERS, AT LEAST ONE FIBROUS BATT HAVING ONE SURFACE SUBSTANTIALLY CONTIGUOUS WITH ONE SURFACE OF SAID NON-WOVEN ARRAY OF YARNS, SUBSTANTIAL NUMBERS OF THE FIBERS IN SAID FIBROUS BATT BEING ORIENTED SUBSTANTIALLY A RITGHT ANGLES WITH RESPECT TO THE YARNS IN SAID NON-WOVEN ARRAY, THE FIBERS IN SAID FIBROUS BATT BEING ENTANGLED WITH SAID SPURIOUS FIBERS, SAID SPURIOUS FIBERS ALSO BEING ENTANGLED WITH ONE ANOTHER TO FORM A COHESIVE FELT HAVING IMPROVED STRENGTH CHARACTERISTICS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |