US3093880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Papermakers felts and method of making them
Assignee: Huyck Corp
•
Filing: 1960-02-29
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Granted: 1963-06-18
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Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 William J Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:41
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/08; D21F7/083; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T442/00; Y10T442/30; Y10T442/3707; Y10T442/3724
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF MAKING A PAPERMAKERS FELT COMPRISING A WOVEN BASE FABRIC WITH A NAP OF NON-WOVEN FIBROUS MATERIAL FIRMLY SECURED TO AT LEAST ONE SIDE THEREOF, WHICH CONSISTS OF WEAVING A BASE FABRIC FROM YARNS AT LEAST SOME OF WHICH CONTAIN SUFFICIENT FULLABLE FIBER MATERIAL TO RENDER THE WOVEN FABRIC CAPABLE OF SUBSTANTIAL FULLING, NEEDLING A CONTINUOUS BATT OF NON-WOVEN FIBROUS MATERIAL TO AT LEAST ONE SIDE OF SAID FULLABLE WOVEN BASE FABRIC, AND FULLING SAID FULLABLE BASE FABRIC WITH SAID FIBROUS MATERIAL NEEDLED THERETO TO FORM A FULLED NAPPED PAPERMAKERS FELT.
Claim 2
Independent Claim
93 words
THE METHOD OF MAKING A PAPERMAKERS FELT COMPRISING A WOVEN BASE FABRIC WITH A NAP OF NON-WOVEN FIBROUS MATERIAL FIRMLY SECURED TO AT LEAST ONE SIDE THEREOF, WHICH CONSISTS OF WEAVING A BASE FABRIC FROM YARNS AT LEAST SOME OF WHICH CONTAIN SUFFICIENT FULLABLE FIBER MATERIAL TO RENDER THE WOVEN FABRIC CAPABLE OF SUBSTANTIAL FULLING, NEEDLING A CONTINUOUS BATT OF NON-WOVEN FIBROUS MATERIAL TO AT LEAST ONE SIDE OF SAID FULLABLE WOVEN BASE FABRIC, AND FULLING SAID FULLABLE BASE FABRIC WITH SAID FIBROUS MATERIAL NEEDLED THERETO TO FORM A FULLED NAPPED PAPERMAKERS FELT.
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |