Patent US3337388A successfully refreshed from Google Patents.
US3337388A
Expired / Lapsed
US
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Selective napping of embossed paper toweling and article produced thereby
Assignee: Procter and Gamble Co
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Filing: 1964-08-07
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Granted: 1967-08-22
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Ii Charles L Wosaba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:47
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/07; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0728; B31F2201/0733; B31F2201/0738; B31F2201/0758; B31F2201/0784; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23979
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A SOFT, BULKY AND SPONGY TOWELING PAPER HAVING A BASIS WEIGHT OF ABOUT 15 TO ABOUT 40 POUNDS PER 3000 SQUARE FEET AND A CWV OF AT LEAST 1.2 WHICH IS FURTHER CHARACTERIZED BY A REPEATING PATTERN CONSTITUTING ABOUT 10% TO ABOUT 60% OF SAID TOWELING PAPER SURFACE AND CONSISTING OF ABOUT 16 TOABOUT 150 FIBROUS, TUFTED PROTUBERANCES PER SQUARE INCH, RAISED TO A HEIGHT OF ABOUT 0.010 INCH TO ABOUT 0.030 INCH ABOVE THE SURFACE OF THE TOWELING PAPER PRIOR TO TUFTING.
References Cited (Backward Citations)
US439405A
Cited
USRE25335E
Cited
US1167603A
Cited
US1784906A
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US2950223A
Cited
US3101520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |