US2681877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supported adhesive strip material
Assignee: BB Chemical Co
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Filing: 1950-02-14
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Granted: 1954-06-22
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Expires: 1970-02-14
Abstract
No abstract record available.
Inventors
- 👤 Seymour Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:35
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C70/00; B29C70/04; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1733; C; C09; C09J; C09J7/00; C09J7/20; C09J7/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1089
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A COMPOSITE SHEET MANIPULATABLE AS A UNIT FOR THE ASSEMBLY AND LAMINATION OF THIN PLASTIC SHEET MATERIAL, SAID COMPOSITE COMPRISING THE COMBINATION OF A FLEXIBLE, RELATIVELY STIFF, SMOOTHSURFACED, SUPPORTING SHEET, SELECTED FROM THE GROUP CONSISTING OF PAPER AND CELLOPHANE, A THIN SHEET OF FLEXIBLE WATERPROOF VINYL RESIN HAVING A SMOOTH SURFACE IN INTIMATE CLINGING ENGAGEMENT WITH BUT NOT ADHESIVELY BONDED TO THE SMOOTH SURFACE OF SAID SUPPORTING SHEET, AND A DRY FILM OF ACTIVATABLE, SUBSTANTIALLY NON-TACKY ADHESIVE BONDED TO AND COEXTENSIVE WITH THE SURFACE OF SAID THIN VINYL RESIN SHEET WHICH IS NOT IN CONTACT WITH THE SUPPORTING SHEET, THE ENGAGEMENT BETWEEN SAID SUPPORTING SHEET AND SAID THIN SHEET OF VINYL RESIN BEING SUFFICIENTLY STRONG TO HOLD SAID SHEET OF VINYL RESIN IN WRINKLE-FREE CONDITION AGAINST THE WRINKLING AND CURLING FORCES OF ACTIVATION, BUT SAID ENGAGEMENT BEING SO WEAK AS TO BE READILY RUPTURED TO PERMIT THE SUPPORTING SHEET TO BE READILY STRIPPED FROM THE VINYL RESIN SHEET.
Claim 2
Dependent Claim
158 words
A COMPOSITE SHEET MANIPULATABLE AS A UNIT FOR THE ASSEMBLY AND LAMINATION OF THIN PLASTIC SHEET MATERIAL, SAID COMPOSITE COMPRISING THE COMBINATION OF A FLEXIBLE, RELATIVELY STIFF, SMOOTHSURFACED, SUPPORTING SHEET, SELECTED FROM THE GROUP CONSISTING OF PAPER AND CELLOPHANE, A THIN SHEET OF FLEXIBLE WATERPROOF VINYL RESIN HAVING A SMOOTH SURFACE IN INTIMATE CLINGING ENGAGEMENT WITH BUT NOT ADHESIVELY BONDED TO THE SMOOTH SURFACE OF SAID SUPPORTING SHEET, AND A DRY FILM OF ACTIVATABLE, SUBSTANTIALLY NON-TACKY ADHESIVE BONDED TO AND COEXTENSIVE WITH THE SURFACE OF SAID THIN VINYL RESIN SHEET WHICH IS NOT IN CONTACT WITH THE SUPPORTING SHEET, THE ENGAGEMENT BETWEEN SAID SUPPORTING SHEET AND SAID THIN SHEET OF VINYL RESIN BEING SUFFICIENTLY STRONG TO HOLD SAID SHEET OF VINYL RESIN IN WRINKLE-FREE CONDITION AGAINST THE WRINKLING AND CURLING FORCES OF ACTIVATION, BUT SAID ENGAGEMENT BEING SO WEAK AS TO BE READILY RUPTURED TO PERMIT THE SUPPORTING SHEET TO BE READILY STRIPPED FROM THE VINYL RESIN SHEET.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-21 | 1957-12-21 | 1958-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-21 | 1961-12-21 | 1962-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-21 | 1965-12-21 | 1966-06-22 | $7700.00 | Window Closed / Lapsed |