US2931736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an acoustical panel
Assignee: Armstrong World Industries Inc
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Filing: 1958-08-27
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Granted: 1960-04-05
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Expires: 1978-08-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; B; B44; B44C; B44C1/00; E04B2001/8245; E04B2001/8457; E04B2001/8476; E04B2001/848
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF MAKING AN ACOUSTICAL PANEL, THE STEPS COMPRISING DEPOSITING UPON A SURFACE OF THE PANEL HAVING A PLURALITY OF DEPRESSIONS EXTENDING BELOW THE GENERAL PLANE OF THE SURFACE OF THE PANEL A HETEROGENEOUS MIXTURE OF FLAKES OF SPECULAR LIGHT-REFLECTING MATERIAL AND A DRY, FINELY POWERED SOLVENT-ACTIVATABLE ADHESIVE MATERIAL, REMOVING SUBSTANTIALLY ALL OF THE MIXTURE FROM SAID SURFACE EXCEPT THAT DISPOSED IN SAID DEPRESSIONS, SOLVATING SAID ADHESIVE BY WETTING THE SAME WITH A SOLVENT THEREFOR, AND DRYING SAID SOLVATED ADHESIVE
Claim 2
Independent Claim
81 words
A METHOD OF MAKING AN ACOUSTICAL PANEL, THE STEPS COMPRISING DEPOSITING UPON A SURFACE OF THE PANEL HAVING A PLURALITY OF DEPRESSIONS EXTENDING BELOW THE GENERAL PLANE OF THE SURFACE OF THE PANEL A HETEROGENEOUS MIXTURE OF FLAKES OF SPECULAR LIGHT-REFLECTING MATERIAL AND A DRY, FINELY POWERED SOLVENT-ACTIVATABLE ADHESIVE MATERIAL, REMOVING SUBSTANTIALLY ALL OF THE MIXTURE FROM SAID SURFACE EXCEPT THAT DISPOSED IN SAID DEPRESSIONS, SOLVATING SAID ADHESIVE BY WETTING THE SAME WITH A SOLVENT THEREFOR, AND DRYING SAID SOLVATED 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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |