Patent US3019134A successfully refreshed from Google Patents.
US3019134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic product
Assignee: Kimberly Clark Corp
•
Filing: 1958-09-10
•
Granted: 1962-01-30
•
Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 John F Hechtman
- 👤 Edwin G Greenman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:36
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/37; A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/24; D21H17/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A CELLULOSIC PRODUCT COMPRISING A SHEET OF LOOSELY BONDED CELLULOSE FIBERS HAVING PRIOR TO SATURATION AN APPARENT DENSITY OF ABOUT 1.0 TO ABOUT 2.6, SAID SHEET BEING SATURATED WITH FROM ABOUT 30 TO 120 PARTS BY WEIGHT ON A SOLIDS WEIGHT BASIS PER 100 PARTS BY WEIGHT OF DRY FIBERS OF A COMPOSITION CONTAINING A COPOLYMER OF BUTADIENE AND ACRYLONITRILE, SAID COPOLYMER FORMED FROM 60-75 WEIGHT PERCENT OF BUTADIENE AND 40-25 WEIGHT PERCENT OF ACRYLONITRILE AND SAID COPOLYMER CHARATERIZED BY HAVING A MOONEY VISCOSITY (ML 4) OF ABOUT 60-85, SAID PRODUCT CHARACTERIZED BY A HIGH TRAPEZOIDAL TEAR.
Claim 2
Dependent Claim
97 words
A CELLULOSIC PRODUCT COMPRISING A SHEET OF LOOSELY BONDED CELLULOSE FIBERS HAVING PRIOR TO SATURATION AN APPARENT DENSITY OF ABOUT 1.0 TO ABOUT 2.6, SAID SHEET BEING SATURATED WITH FROM ABOUT 30 TO 120 PARTS BY WEIGHT ON A SOLIDS WEIGHT BASIS PER 100 PARTS BY WEIGHT OF DRY FIBERS OF A COMPOSITION CONTAINING A COPOLYMER OF BUTADIENE AND ACRYLONITRILE, SAID COPOLYMER FORMED FROM 60-75 WEIGHT PERCENT OF BUTADIENE AND 40-25 WEIGHT PERCENT OF ACRYLONITRILE AND SAID COPOLYMER CHARATERIZED BY HAVING A MOONEY VISCOSITY (ML 4) OF ABOUT 60-85, SAID PRODUCT CHARACTERIZED BY A HIGH TRAPEZOIDAL TEAR.
References Cited (Backward Citations)
US2899353A
Cited
US2597087A
Cited
US2774687A
Cited
US2785975A
Cited
US2905584A
Cited
US2848355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |