US3012913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unified sheet impregnated with elastomeric polymer and vinsol resin and paper backed normally tacky and pressure-sensitive adhesive tape employing same
Assignee: Johnson and Johnson
•
Filing: 1957-10-07
•
Granted: 1961-12-12
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Winifred C Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:59
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/35; C; C09; C09J; C09J7/00; C09J7/20; C09J7/205; C09J7/21; D21H17/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF FORMING A UNIFIED SHEET HAVING IMPROVED TENSILE STRENGTH WHICH COMPRISES IMPREGNATING A FIBROUS WEB WITH AN AQUEOUS DISPERSION OF A STABLE UNIFYING IMPREGNANT COMPOSITION CONSISTING ESSENTIALLY OF A RUBBERY ELASTOMER POLYMER AND A SUBSTANTIALLY PETROLEUM HYDROCARBON INSOLUBLE PINE WOOD RESIN HAVING A MELTING POINT OF 115*C. IN AN AMOUNT FROM ABOUT 5 TO 50% BY WEIGHT OF THE UNIFYING COMPOSITION, AND DRYING SAID IMPREGNATED WEB.
Claim 2
Independent Claim
68 words
THE METHOD OF FORMING A UNIFIED SHEET HAVING IMPROVED TENSILE STRENGTH WHICH COMPRISES IMPREGNATING A FIBROUS WEB WITH AN AQUEOUS DISPERSION OF A STABLE UNIFYING IMPREGNANT COMPOSITION CONSISTING ESSENTIALLY OF A RUBBERY ELASTOMER POLYMER AND A SUBSTANTIALLY PETROLEUM HYDROCARBON INSOLUBLE PINE WOOD RESIN HAVING A MELTING POINT OF 115*C. IN AN AMOUNT FROM ABOUT 5 TO 50% BY WEIGHT OF THE UNIFYING COMPOSITION, AND DRYING SAID IMPREGNATED WEB.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |