US3118516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound absorbing film faced boards of mineral fibers and method of making same
Assignee: Owens Corning
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Filing: 1959-12-24
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Granted: 1964-01-21
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Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Jack T Feid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:02
CPC Classifications
B; B29; B29C; B29C63/00; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; E04B2001/8245; E04B2001/8457; E04B2001/8461; E04B2001/8476; E04B2001/848; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T428/00; Y10T428/24; Y10T428/24355
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
AN ACOUSTICAL BOARD OF BONDED MINERAL FIBERS HAVING A MAIN PLANAR FACE, FULLY PLANAR SIDES NORMAL TO SAID FACE, AND A VIBRATILE FILM OF PLASTIC COMPOSITION DISPOSED OVER AND COMPLETELY UNATTACHED TO THE FULL FACE OF THE BOARD AND HAVING EDGE PORTIONS STRETCHED SMOOTHLY AND COMPLETELY DOWN THE FULLY PLANAR SIDES OF THE BOARD AND SMOOTHLY IN A SINGLE LAYER, WITHOUT FOLDS, AROUND THE SIDE CORNERS OF THE BOARD, SAID EDGE PORTIONS OF THE FILM BEING ADHERED DIRECTLY TO THE PLANAR SIDES OF THE BOARD.
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |