Patent US3074505A successfully refreshed from Google Patents.
US3074505A
Expired / Lapsed
US
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Acoustical tile or the like and its manufacture
Assignee: Individual
•
Filing: 1959-11-03
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Granted: 1963-01-22
•
Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 Kurt W Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:54
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; E04B2001/8245; E04B2001/8423; E04B2001/8433; E04B2001/8442; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN ACOUSTICAL TILE OR THE LIKE COMPRISING IN COMBINATION A METAL FACING SHEET, A POROUS BACKING BOARD BEHIND AND IN CONTACT WITH SAID SHEET, THE LATTER BEING ANCHORED TO THE BACKING BY INTEGRAL CURVED METAL TONGUES OF SAID SHEET PENETRATING DEEPLY INTO SAID BACKING, THE MARGINS OF SAID SHEET EXTENDING ENTIRELY AROUND THE EDGE OF SAID BACKING MATERIAL BUT SPACED SLIGHTLY THEREFROM TO PROVIDE YIELDING EDGES FOR SAID TILE.
Claim 2
Dependent Claim
69 words
AN ACOUSTICAL TILE OR THE LIKE COMPRISING IN COMBINATION A METAL FACING SHEET, A POROUS BACKING BOARD BEHIND AND IN CONTACT WITH SAID SHEET, THE LATTER BEING ANCHORED TO THE BACKING BY INTEGRAL CURVED METAL TONGUES OF SAID SHEET PENETRATING DEEPLY INTO SAID BACKING, THE MARGINS OF SAID SHEET EXTENDING ENTIRELY AROUND THE EDGE OF SAID BACKING MATERIAL BUT SPACED SLIGHTLY THEREFROM TO PROVIDE YIELDING EDGES FOR SAID TILE.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |