US3122216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical ceiling panels
Assignee: Owens Corning
•
Filing: 1960-03-21
•
Granted: 1964-02-25
•
Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Robert W Boltz
- 👤 Willis M Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:21
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/008; E04B9/001; E04B9/04; E04B9/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN ACOUSTICAL PANEL ADAPTED FOR INSTALLATION IN CLOSELY ABUTTING RELATION HAVING A MAIN, GENERALLY RIGID AND SELF-SUSTAINING, POROUS BODY OF MINERAL FIBERS INTEGRATED BY A HARD, NON-ELASTIC RESINOUS BINDER, A SOUND ADMITTING SURFACE ON THE FRONT PLANAR SIDE OF THE BODY AND AN AIR IMPERVIOUS, NON-VIBRATILE, SOUND BACKING MEMBRANE CONTINUOUSLY AND ELASTICALLY ATTACHED TO THE REAR PLANAR SIDE OF THE MAIN BODY OF MINERAL FIBERS.
Claim 2
Dependent Claim
65 words
AN ACOUSTICAL PANEL ADAPTED FOR INSTALLATION IN CLOSELY ABUTTING RELATION HAVING A MAIN, GENERALLY RIGID AND SELF-SUSTAINING, POROUS BODY OF MINERAL FIBERS INTEGRATED BY A HARD, NON-ELASTIC RESINOUS BINDER, A SOUND ADMITTING SURFACE ON THE FRONT PLANAR SIDE OF THE BODY AND AN AIR IMPERVIOUS, NON-VIBRATILE, SOUND BACKING MEMBRANE CONTINUOUSLY AND ELASTICALLY ATTACHED TO THE REAR PLANAR SIDE OF THE MAIN BODY OF MINERAL FIBERS.
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |