US3153304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical suspended ceiling
Assignee: Owens Corning
•
Filing: 1960-09-30
•
Granted: 1964-10-20
•
Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Evangelista Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:16
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0435; E04B9/001; E04B9/0464
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ACOUSTICAL CEILING ADAPTED TO COVER THE INTERIOR OVERHEAD STRUCTURE IN A BUILDING COMPRISING AN OPEN GRID FRAMEWORK OF SUPPORTING MEMBERS, MEANS FOR SUPPORTING SAID FRAMEWORK AT A SELECTED LEVEL BELOW SAID OVERHEAD STRUCTURE, A PLURALITY OF SPACED PANELS OF POROUS ACOUSTICAL MATERIAL EACH HAVING UPPER PERIPHERAL FLANGE PORTIONS WITH OVERHANGING OPPOSITE PANEL SIDES DEPENDING THEREFROM WITH EXPOSED SURFACES AND BOUNDING A MAJOR EXPOSED BOTTOM FACE OF THE RESPECTIVE PANEL, THE POROSITY OF SAID BOTTOM FACE OF EACH PANEL BEING LESS THAN THAT OF THE EXPOSED SURFACES OF SAID DEPENDING SIDES THE BOTTOM PORTIONS OF SAID FRAMEWORK LYING IN A COMMON PLANE AND BEING EXPOSED IN SAID CEILING, THE PERIPHERAL FLANGE PORTIONS OF EACH OF SAID PANELS BEING CONCEALED AND SUPPORTED BY SAID FRAMEWORK, AND THE EXPOSED SURFACES OF SAID DEPENDING SIDES AS WELL AS THE BOTTOM FACE OF EACH OF SAID PANELS PROJECTING BELOW THE PLANE OF THE BOTTOM PORTIONS OF SAID FRAMEWORK, THE SUM OF THE AREAS OF SAID EXPOSED SIDES BEING AT LEAST 7% OF THE TOTAL PANEL AREA EXPOSED IN SAID CEILING.
Claim 2
Dependent Claim
176 words
AN ACOUSTICAL CEILING ADAPTED TO COVER THE INTERIOR OVERHEAD STRUCTURE IN A BUILDING COMPRISING AN OPEN GRID FRAMEWORK OF SUPPORTING MEMBERS, MEANS FOR SUPPORTING SAID FRAMEWORK AT A SELECTED LEVEL BELOW SAID OVERHEAD STRUCTURE, A PLURALITY OF SPACED PANELS OF POROUS ACOUSTICAL MATERIAL EACH HAVING UPPER PERIPHERAL FLANGE PORTIONS WITH OVERHANGING OPPOSITE PANEL SIDES DEPENDING THEREFROM WITH EXPOSED SURFACES AND BOUNDING A MAJOR EXPOSED BOTTOM FACE OF THE RESPECTIVE PANEL, THE POROSITY OF SAID BOTTOM FACE OF EACH PANEL BEING LESS THAN THAT OF THE EXPOSED SURFACES OF SAID DEPENDING SIDES THE BOTTOM PORTIONS OF SAID FRAMEWORK LYING IN A COMMON PLANE AND BEING EXPOSED IN SAID CEILING, THE PERIPHERAL FLANGE PORTIONS OF EACH OF SAID PANELS BEING CONCEALED AND SUPPORTED BY SAID FRAMEWORK, AND THE EXPOSED SURFACES OF SAID DEPENDING SIDES AS WELL AS THE BOTTOM FACE OF EACH OF SAID PANELS PROJECTING BELOW THE PLANE OF THE BOTTOM PORTIONS OF SAID FRAMEWORK, THE SUM OF THE AREAS OF SAID EXPOSED SIDES BEING AT LEAST 7% OF THE TOTAL PANEL AREA EXPOSED IN SAID CEILING.
References Cited (Backward Citations)
US507430A
Cited
US2303271A
Cited
CH276628A
Cited
DE803422C
Cited
FR1035353A
Cited
US2854706A
Cited
US2890583A
Cited
FR1216198A
Cited
FR1217529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |