US3074834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fibrous products and methods for their production
Assignee: Rohm and Haas Co
•
Filing: 1956-08-13
•
Granted: 1963-01-22
•
Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Nathanicl A Matlin
- 👤 Benjamin B Kine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:02
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/587; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T442/00; Y10T442/20; Y10T442/2549; Y10T442/2566; Y10T442/2631
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AS AN ARTICLE OF MANUFACTURE, A NON-WOVEN FIBROUS PRODUCT IN WHICH THE FIBERS ARE DISTRIBUTED IN RANDOM ARRAY, THE FIBERS OF WHICH CONSIST ENTIRELY OF FIBERS SELECTED FROM THE GROUP CONSISTING OF CELLULOSIS FIBERS, POLYAMIDE FIBERS, VINYL RESIN FIBERS, AND MIXTURE THEREOF, FIBERS IN THE PRODUCT BEING BONDED TOGETHER BY A BINDER, SUBSTANTIALLY UNIFORMLY DISTRIBUTED THROUGH THE BODY OF THE PRODUCT, CONSISTING ESSENTIALLY OF THE HEAT-CURED PRODUCT OF A WATERINSOLUBLE LINEAR ADDITION COPOLYMER, HAVING A T1 VALUE NOT OVER 30*C., OF COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MOLECULES COMPRISING 3 TO 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHERS HAVING THE FORMULAS
Claim 2
Dependent Claim
104 words
AS AN ARTICLE OF MANUFACTURE, A NON-WOVEN FIBROUS PRODUCT IN WHICH THE FIBERS ARE DISTRIBUTED IN RANDOM ARRAY, THE FIBERS OF WHICH CONSIST ENTIRELY OF FIBERS SELECTED FROM THE GROUP CONSISTING OF CELLULOSIS FIBERS, POLYAMIDE FIBERS, VINYL RESIN FIBERS, AND MIXTURE THEREOF, FIBERS IN THE PRODUCT BEING BONDED TOGETHER BY A BINDER, SUBSTANTIALLY UNIFORMLY DISTRIBUTED THROUGH THE BODY OF THE PRODUCT, CONSISTING ESSENTIALLY OF THE HEAT-CURED PRODUCT OF A WATERINSOLUBLE LINEAR ADDITION COPOLYMER, HAVING A T1 VALUE NOT OVER 30*C., OF COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MOLECULES COMPRISING 3 TO 20% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHERS HAVING THE FORMULAS
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |