US3094188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound absorbers
Assignee: Pittsburgh Corning LLC
•
Filing: 1962-12-13
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Granted: 1963-06-18
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Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 D Eustachio Dominic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/8409; C; C09; C09D; C09D167/00; C09D167/02; E04B2001/8457; E04B2001/8476; E04B2001/848; E04B2001/849
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SOUND ABSORBER, COMPRISING A BODY OF POROUS MATERIAL HAVING A FRONT FACE EXPOSED TO THE SOUND TO BE ABSORBED AND A BACK FACE, SAID BODY INCLUDING A FIRST GROUP OF RECESSES ENTERING THE SAME FROM SAID FRONT FACE AND EXTENDING INTO THE INTERMEDIATE PORTION OF SAID MATERIAL, AND INCLUDING A SECOND GROUP OF RECESSES ENTERING THE SAME FROM SAID BACK FACE, AT LEAST SOME OF THE ADJACENT RECESSES FROM OPPOSITE FACES BEING IN OVERLAPPING RELATIONSHIP WITH EACH OTHER AND BEING SEPARATED FROM ONE ANOTHER THROUGHOUT THEIR FULL EXTENDS WITHIN SAID ABSORBER BODY BY PORTIONS OF THE BODY MATERIAL, AND COVERING MEANS IN CONTACT WITH SAID BACK FACE FOR CLOSING SAID SECOND GROUP OF RECESSES, TO PREVENT THE TRANSMISSION OF SOUND ENERGY THERETO EXCEPT THROUGH THE BODY OF MATERIAL.
Claim 2
Dependent Claim
129 words
A SOUND ABSORBER, COMPRISING A BODY OF POROUS MATERIAL HAVING A FRONT FACE EXPOSED TO THE SOUND TO BE ABSORBED AND A BACK FACE, SAID BODY INCLUDING A FIRST GROUP OF RECESSES ENTERING THE SAME FROM SAID FRONT FACE AND EXTENDING INTO THE INTERMEDIATE PORTION OF SAID MATERIAL, AND INCLUDING A SECOND GROUP OF RECESSES ENTERING THE SAME FROM SAID BACK FACE, AT LEAST SOME OF THE ADJACENT RECESSES FROM OPPOSITE FACES BEING IN OVERLAPPING RELATIONSHIP WITH EACH OTHER AND BEING SEPARATED FROM ONE ANOTHER THROUGHOUT THEIR FULL EXTENDS WITHIN SAID ABSORBER BODY BY PORTIONS OF THE BODY MATERIAL, AND COVERING MEANS IN CONTACT WITH SAID BACK FACE FOR CLOSING SAID SECOND GROUP OF RECESSES, TO PREVENT THE TRANSMISSION OF SOUND ENERGY THERETO EXCEPT THROUGH THE BODY OF MATERIAL.
References Cited (Backward Citations)
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |