US3115948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel for the reduction of sound transmission
Assignee: Beazer East Inc
•
Filing: 1960-12-14
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Granted: 1963-12-31
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Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 Iii James H Gildard
- 👤 Richard D Lemmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:00
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; E04B2001/8423; E04B2001/8428; E04B2001/8452; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24744; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964; Y10T428/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A HIGH PERFORMANCE SOUND TRANSMISSION LOSS PANEL COMPRISING TWO IMPERFORATE FACE WALLS, SIDE WALL MEMBERS SUPPORTING SAID FACE WALLS IN SPACED RELATIONSHIP DEFINING AN ENCLOSURE THEREWITH, A PLURALITY OF SEPARATE PIECES OF HIGH DENSITY, LOW BENDING STIFFNESS MATERIAL SEMI-RIGIDLY ADHERED TO THE INNER SURFACE OF EACH OF SAID FACE WALLS SUBSTANTIALLY COVERING SAID INNER SURFACE, EACH PIECE BEING SEPARATED A FINITE DISTANCE FROM ADJACENT PIECES AND EACH PIECE COVERING A RELATIVELY SMALL PORTION OF SAID INNER SURFACE AND THE BALANCE OF SAID ENCLOSURE BEING COMPLETELY FILLED WITH LIGHT-WEIGHT INSULATING WOOL.
Claim 2
Dependent Claim
90 words
A HIGH PERFORMANCE SOUND TRANSMISSION LOSS PANEL COMPRISING TWO IMPERFORATE FACE WALLS, SIDE WALL MEMBERS SUPPORTING SAID FACE WALLS IN SPACED RELATIONSHIP DEFINING AN ENCLOSURE THEREWITH, A PLURALITY OF SEPARATE PIECES OF HIGH DENSITY, LOW BENDING STIFFNESS MATERIAL SEMI-RIGIDLY ADHERED TO THE INNER SURFACE OF EACH OF SAID FACE WALLS SUBSTANTIALLY COVERING SAID INNER SURFACE, EACH PIECE BEING SEPARATED A FINITE DISTANCE FROM ADJACENT PIECES AND EACH PIECE COVERING A RELATIVELY SMALL PORTION OF SAID INNER SURFACE AND THE BALANCE OF SAID ENCLOSURE BEING COMPLETELY FILLED WITH LIGHT-WEIGHT INSULATING WOOL.
References Cited (Backward Citations)
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US1910810A
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US2029441A
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US2160066A
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US2069413A
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US2178729A
Cited
US2323336A
Cited
US2451396A
Cited
FR1248397A
Cited
US3087570A
Cited
US3087574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |