US2950223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic product
Assignee: Kimberly Clark Corp
•
Filing: 1956-08-06
•
Granted: 1960-08-23
•
Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 John C Bletzinger
- 👤 Lawrence H Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:27
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/07; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0733; B31F2201/0738; B31F2201/0758
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A HIGHLY ABSORBENT STRETCHABLE FIBROUS WEB HAVING A NORMALLY PLANIFORM PORTION AND A PLURALITY OF CLOSELY SPACED MOUND-LIKE PORTIONS DISPOSED IN PATTERNED CONFIGURATION AND EXTENDING OUTWARDLY FROM AT LEAST ONE SURFACE OF THE PLANIFROM PORTION OF THE WEB, SAID WEB, BEING OF A GENERALLY UNIFORM UNIT DENSITY THROUGHOUT THE PLANIFROM PORTION THEREOF AND OF LOWER UNIT DENSITY THROUGHOUT THE MOUND-LIKE PORTIONS THEREOF WITH FEWER AND WEAKER FIBER-TO-FIBER BONDS IN THE LATTER PORTION THAN IN THE PLAINFORM PORTION.
Claim 2
Dependent Claim
77 words
A HIGHLY ABSORBENT STRETCHABLE FIBROUS WEB HAVING A NORMALLY PLANIFORM PORTION AND A PLURALITY OF CLOSELY SPACED MOUND-LIKE PORTIONS DISPOSED IN PATTERNED CONFIGURATION AND EXTENDING OUTWARDLY FROM AT LEAST ONE SURFACE OF THE PLANIFROM PORTION OF THE WEB, SAID WEB, BEING OF A GENERALLY UNIFORM UNIT DENSITY THROUGHOUT THE PLANIFROM PORTION THEREOF AND OF LOWER UNIT DENSITY THROUGHOUT THE MOUND-LIKE PORTIONS THEREOF WITH FEWER AND WEAKER FIBER-TO-FIBER BONDS IN THE LATTER PORTION THAN IN THE PLAINFORM PORTION.
References Cited (Backward Citations)
US673041A
Cited
GB153872A
Cited
US1548783A
Cited
US2034421A
Cited
US2245014A
Cited
US2478799A
Cited
US2580582A
Cited
US2834809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |