Patent US3103987A successfully refreshed from Google Patents.
US3103987A
Expired / Lapsed
US
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Acoustical panel construction
Assignee: Beazer East Inc
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Filing: 1960-08-31
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Granted: 1963-09-17
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Expires: 1980-08-31
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
2026-10-30 20:48
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; E04B2001/8423; E04B2001/8428; E04B2001/8433; E04B2001/8452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A DEVICE FOR THE ATTENUATION OF SOUND ENERGY IN HIGH VELOCITY GAS FLOW COMPRISING IN COMBINATION AN ENCLOSURE, SOUND DISSIPATING MATERIAL DISPOSED WITHIN SAID ENCLOSURE, A PORTION OF THE OUTER SURFACE OF SAID ENCLOSURE BEING PERFORATE, AT LEAST THREE LAYERS OF A PLURALITY OF DISSIMILAR FLEXIBLE MESHED FABRICS TRANSPARENT TO SOUND PRESSURE WAVES MOUNTED BETWEEN SAID PERFORATE PORTION AND SAID SOUND DISSIPATING MATERIAL AND MEANS FOR JOINING SAID LAMINATES IN A PLURALITY OF POSITIONS SPACED OVER THE SURFACE THEREOF TO FORM A UNITARY LAMINATION.
Claim 2
Independent Claim
84 words
A DEVICE FOR THE ATTENUATION OF SOUND ENERGY IN HIGH VELOCITY GAS FLOW COMPRISING IN COMBINATION AN ENCLOSURE, SOUND DISSIPATING MATERIAL DISPOSED WITHIN SAID ENCLOSURE, A PORTION OF THE OUTER SURFACE OF SAID ENCLOSURE BEING PERFORATE, AT LEAST THREE LAYERS OF A PLURALITY OF DISSIMILAR FLEXIBLE MESHED FABRICS TRANSPARENT TO SOUND PRESSURE WAVES MOUNTED BETWEEN SAID PERFORATE PORTION AND SAID SOUND DISSIPATING MATERIAL AND MEANS FOR JOINING SAID LAMINATES IN A PLURALITY OF POSITIONS SPACED OVER THE SURFACE THEREOF TO FORM A UNITARY LAMINATION.
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |