US3199167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing nonwoven fabrics
Assignee: Westpoint Pepperell Inc
•
Filing: 1961-02-09
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Granted: 1965-08-10
•
Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard E Charlton
- 👤 Jr Richard E Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:19
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/1607; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48; B01D2239/00; B01D2239/04; B01D2239/0464; B01D2239/06; B01D2239/0604; B01D2239/064; B01D2239/065; B01D2239/0654; B01D2239/08; B01D2239/086; B01D2239/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS OF MANUFACTURING NONWOVEN FABRICS COMPRISING THE STEPS OF APPLUING A MINOR QUANTITY OF BINDER MATERIAL TO A NONWOVEN FIBER WEB TO PARTIALLY STABILIZE THE WEB UNIFORMLY THROUGHOUT ITS THICKNESS, DRYING THE WEB, NEEDLE PUNCHING THE INITIALLY STABLIZED WEB TO ORIENT SOME OF THE FIBERS IN DIRECTION NORMAL TO THE WEB SURFACES, AND THEN APPLYING A MAJOR QUANTITY OF BINDER MATERIAL TO THE NEEDLE PUNCHED WEB.
Claim 2
Dependent Claim
67 words
A PROCESS OF MANUFACTURING NONWOVEN FABRICS COMPRISING THE STEPS OF APPLUING A MINOR QUANTITY OF BINDER MATERIAL TO A NONWOVEN FIBER WEB TO PARTIALLY STABILIZE THE WEB UNIFORMLY THROUGHOUT ITS THICKNESS, DRYING THE WEB, NEEDLE PUNCHING THE INITIALLY STABLIZED WEB TO ORIENT SOME OF THE FIBERS IN DIRECTION NORMAL TO THE WEB SURFACES, AND THEN APPLYING A MAJOR QUANTITY OF BINDER MATERIAL TO THE NEEDLE PUNCHED WEB.
References Cited (Backward Citations)
US2249888A
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US2314162A
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GB556186A
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US2339431A
Cited
US2377564A
Cited
US2794759A
Cited
US2996411A
Cited
US2978785A
Cited
US2970365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |