Patent US3478991A successfully refreshed from Google Patents.
US2803560A
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Cohesive wrapping paper and method for producing same
Assignee: Kimberly Clark Corp
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Filing: 1955-05-03
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Granted: 1957-08-20
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Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 James W Mcintyre
- 👤 John F Hechtman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:20
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/56; D21H19/00; D21H19/80; D21H19/82; D21H19/824; D21H5/00; D21H5/0005; D21H5/0025; D21H5/003; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
METHOD OF APPLYING A COHESIVE RUBBER COATING TO ONE SIDE OF A FOUNDATION SHEET OF NON-ADHESIVE AND NONCOHESIVE IMPERVIOUS MATERIAL SO AS TO MAKE THE SHEET SUITABLE FOR CERTAIN WRAPPING PURPOSE, WHICH COMPRISESS COATING THE SURFACE OF ONE SIDE ONLY OF THE MATERIAL WITH AN AQUEOUS DISPERSION OF COLLODIAL SILICA AND DRYING SAID COATING, THEN APPLYING TO SAID SILICA-TRCATED SURFACE A FILM OF AN AQUEOUS EMULSION OF COHESIVE RUBBER, SAID FILM CONTAINING BETWEN .20 TO 1.3 POUNDS OF RUBBER PER 1000 SQUARE FEET OF AREA, AND THEN FINALLY DRYING SAID COATING THEREBY TO PRODUCE A SHEET ONE SIDEOF WHICH IS CODHESIVE TO ITSELF BUT NOT TO THE OTHER SIDE, AND WHICH MAY BE STORED IN A ROLL OR PILE WITHOUT INTERLAEAVING WITH PARTING MATERIAL.
References Cited (Backward Citations)
US2258434A
Cited
US2561362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |