Patent US3034946A successfully refreshed from Google Patents.
US3034946A
Expired / Lapsed
US
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Coated and laminated products, compositions for producing same, and processes of employing such compositions
Assignee: GAF Chemicals Corp
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Filing: 1955-10-24
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Granted: 1962-05-15
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Claudi-Magnussen Finn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:42
CPC Classifications
B; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
A PROCESS FOR PREPARING A HARD SURFACED POLYMETHYL METHACRYLATE COMPOSITE STRUCTURE WHICH COMPRISES APPLYING A SOLUTION COMPRISING FROM 1 TO 10 PARTS OF POLYMETHYL A-CHLOROACRYLATE IN ABOUT 100 PARTS OF A SOLVENT SELECTED FROM THE GROUP CONSISTING OF N,N-DIMETHYLFORMAMIDE, 2-PROPYN-L-OL AND ESTERS THEREOF, TO A POLYMETHYL METHACRYLATE BASE, DRYING SAID SOLUTION AT A
References Cited (Backward Citations)
US2320533A
Cited
US2346036A
Cited
US2464826A
Cited
US2649427A
Cited
US2649438A
Cited
US2649481A
Cited
US2788306A
Cited
US2941917A
Cited
US2854436A
Cited
US2847399A
Cited
US2834763A
Cited
US2850478A
Cited
US2825672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |