Patent US3771213A successfully refreshed from Google Patents.
US3771213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming an embossed foil-covered ceiling panel
Assignee: Armstrong World Industries Inc
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Filing: 1969-12-19
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Granted: 1973-11-13
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Expires: 1989-12-19
Abstract
Abstract A conventional ceiling panel covered with a metal foil which is adhered to the edges of the panel. The foil is drawn tight across the face of the panel by lightly embossing the foil face to mechanically shrink the foil over the face of the panel.
Inventors
- 👤 J Peraro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:50
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/14; E; E04; E04B; E04B9/00; E04B9/04; E04B9/045; B32B3/00; B32B3/26; B32B3/30; B32B38/00; B32B38/06; E04B9/0478; E04B9/0485; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/292; B32B2262/00; B32B2262/06; B32B2262/10; B32B2307/00; B32B2307/10; B32B2307/102; B32B2607/00; Y; Y10; Y10S; Y10S29/00; Y10S29/042; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
The method of manufacturing a metal foil ceiling panel comprising the steps of placing a metal foil across the face of a ceiling panel, adhering the metal foil to the ceiling panel only at the peripheral edge of the ceiling panel, embossing the portion of the metal foil which extends across the face of the ceiling panel to mechanically shrink the foil over the surface of the ceiling panel.
Claim 2
Independent Claim
69 words
The method of manufacturing a metal foil ceiling panel comprising the steps of placing a metal foil across the face of a ceiling panel, adhering the metal foil to the ceiling panel only at the peripheral edge of the ceiling panel, embossing the portion of the metal foil which extends across the face of the ceiling panel to mechanically shrink the foil over the surface of the ceiling panel.
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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) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |