Patent US3212957A successfully refreshed from Google Patents.
US3212957A
Expired / Lapsed
US
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Strippable wall covering
Assignee: International Paper Co
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Filing: 1961-01-10
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Granted: 1965-10-19
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Expires: 1981-01-10
Abstract
No abstract record available.
Inventors
- 👤 Linda Frank Raymond
- 👤 John H Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/18; D21H27/20; D21H11/00; D21H11/02; D21H11/04; D21H23/00; D21H23/02; D21H23/22; D21H23/46; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/28; Y10T428/2852; Y10T428/2878
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN COMBINATION WITH AT LEAST ONE WALL COVERING ADHESIVE SELECTED FROM THE GROUP CONSISTING OF WHEAT PASTES, CELLULOSE ETHERS, AND POLYVINYL ACETATE CHLORIDE EMULSIONS, A STRIPPABLE WALL COVERING SELECTED FROM THE GROUP CONSISTING OF PAPER, CLOTH, WOOD VENEER, OR COMBINATIONS THEREOF AND CONSISTING ESSENTIALLY OF A DECORATIVE SURFACE, A WORKING SURFACE AND A MEDIUM TO HIGH DENSITY POLYETHYLENE FILM LAYER ON ONE SIDE TIGHTLY BONDED TO THE WORKING SURFACE AND ON THE OTHER SIDE MATTE FINISHED AND IN A CLEAVING BOND OF HIGH SHEAR AND LOW TENSILE STRENGTH WITH THE ADHESIVE.
Claim 2
Dependent Claim
91 words
IN COMBINATION WITH AT LEAST ONE WALL COVERING ADHESIVE SELECTED FROM THE GROUP CONSISTING OF WHEAT PASTES, CELLULOSE ETHERS, AND POLYVINYL ACETATE CHLORIDE EMULSIONS, A STRIPPABLE WALL COVERING SELECTED FROM THE GROUP CONSISTING OF PAPER, CLOTH, WOOD VENEER, OR COMBINATIONS THEREOF AND CONSISTING ESSENTIALLY OF A DECORATIVE SURFACE, A WORKING SURFACE AND A MEDIUM TO HIGH DENSITY POLYETHYLENE FILM LAYER ON ONE SIDE TIGHTLY BONDED TO THE WORKING SURFACE AND ON THE OTHER SIDE MATTE FINISHED AND IN A CLEAVING BOND OF HIGH SHEAR AND LOW TENSILE STRENGTH WITH THE ADHESIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |