Patent US3111188A successfully refreshed from Google Patents.
US3111188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical tile
Assignee: Owens Corning
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Filing: 1960-02-26
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Granted: 1963-11-19
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Willis M Rees
- 👤 Donald N Huggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:50
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/045; E04B9/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A BUILDING STRUCTURE INCLUDING TWO ADJACENT ROOMS, A COMMON PERMANENT CEILING ABOVE THE TWO ROOMS, AND A PARTITION HAVING LOW SOUND TRANSMISSION PROPERTIES BETWEEN THE ROOMS AND TERMINATING UPWARDLY SUBSTANTIALLY BELOW THE PERMANENT CEILING, SAID STRUCTURE CHARACTERIZED BY A SUB-CEILING ABOVE EACH ROOM AND FITTING AGAINST THE PARTITION, EACH SUB-CEILING BEING COMPOSED OF SERIES OF ABUTTING ACOUSTICAL TILES OF MINERAL FIBERS, SAID TILES HAVING SOUND ADMITTING FACINGS, POROUS BODIES OF HIGH SOUND ABSORBING CAPACITY AND REAR SEALING COATS OF SOUND BLOCKING PROPERTIES, WHEREBY SOUND ORIGINATING IN ONE OF THE ROOMS IS HEAVILY DAMPED UPON ENTERING THE TILES AND IS RESTRAINED BY THE REAR SEALING COATS FROM PASSING THROUGH THE TILES AND TRAVELING OVER THE PARTITION INTO THE OTHER ROOM.
Claim 2
Dependent Claim
119 words
A BUILDING STRUCTURE INCLUDING TWO ADJACENT ROOMS, A COMMON PERMANENT CEILING ABOVE THE TWO ROOMS, AND A PARTITION HAVING LOW SOUND TRANSMISSION PROPERTIES BETWEEN THE ROOMS AND TERMINATING UPWARDLY SUBSTANTIALLY BELOW THE PERMANENT CEILING, SAID STRUCTURE CHARACTERIZED BY A SUB-CEILING ABOVE EACH ROOM AND FITTING AGAINST THE PARTITION, EACH SUB-CEILING BEING COMPOSED OF SERIES OF ABUTTING ACOUSTICAL TILES OF MINERAL FIBERS, SAID TILES HAVING SOUND ADMITTING FACINGS, POROUS BODIES OF HIGH SOUND ABSORBING CAPACITY AND REAR SEALING COATS OF SOUND BLOCKING PROPERTIES, WHEREBY SOUND ORIGINATING IN ONE OF THE ROOMS IS HEAVILY DAMPED UPON ENTERING THE TILES AND IS RESTRAINED BY THE REAR SEALING COATS FROM PASSING THROUGH THE TILES AND TRAVELING OVER THE PARTITION INTO THE OTHER ROOM.
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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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |