US3082487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling construction
Assignee: Johns Manville Corp
•
Filing: 1957-06-13
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Granted: 1963-03-26
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Expires: 1977-06-13
Abstract
No abstract record available.
Inventors
- 👤 Mark S Fowler
- 👤 Edward J Dewender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:07
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0478; E04B9/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CEILING CONSTRUCTION COMPRISING A CEILING, A PLURALITY OF PERFORATED TILES SUSPENDED FROM SAID CEILING, SAID TILES BEING JUXTAPOSITIONED EACH OTHER TO COMPRISE AN APPROXIMATELY CONTINUOUS PLANAR SURFACE COMPRISING A SECOND CEILING, RADIANT HEATING OR COOLING MEANS LOCATED ADJACENT SAID FIRST CEILING, ACOUSTICAL UNITS HAVING WIDE SOUND ABSORBING FACES AND RELATIVELY NARROW EDGES SUPPORTED IN SAID CEILING TILES, AND MEANS SUPPORTING THE ACOUSTICAL UNITS SO THAT THE WIDE SOUND ABSORBING FACES ARE APPROXIMATELY PERPENDICULAR TO SAID PLANAR SURFACE.
Claim 2
Dependent Claim
78 words
A CEILING CONSTRUCTION COMPRISING A CEILING, A PLURALITY OF PERFORATED TILES SUSPENDED FROM SAID CEILING, SAID TILES BEING JUXTAPOSITIONED EACH OTHER TO COMPRISE AN APPROXIMATELY CONTINUOUS PLANAR SURFACE COMPRISING A SECOND CEILING, RADIANT HEATING OR COOLING MEANS LOCATED ADJACENT SAID FIRST CEILING, ACOUSTICAL UNITS HAVING WIDE SOUND ABSORBING FACES AND RELATIVELY NARROW EDGES SUPPORTED IN SAID CEILING TILES, AND MEANS SUPPORTING THE ACOUSTICAL UNITS SO THAT THE WIDE SOUND ABSORBING FACES ARE APPROXIMATELY PERPENDICULAR TO SAID PLANAR SURFACE.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |