Patent US3124663A successfully refreshed from Google Patents.
US3124663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hearing aid noise suppressor
Assignee: —
•
Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:41
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/48; H04R2410/00; H04R2410/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A MECHANICAL DEVICE FOR REDUCING BACKGROUND NOISE CAUSED BY WIND EFFECTS AND METALLIC SOUNDS TO BE USED WITH A HEARING AID MICROPHONE LOCATED WITHIN THE HOUSING OF THE HEARING AID WHERE AN APERTURE IN THE HOUSING IS DISPOSED IN SPACED AND CONFRONTING RELATION WITH AN APERTURE IN THE MICROPHONE, SAID DEVICE COMPRISING: (A) A FIRST HOLLOW CYLINDRICAL MEMBER DEFINING A LONGITUDINAL AXIS, SAID CYLINDRICAL MEMBER ALIGNED WITH THE APERTURE OF THE MICROPHONE; (B) A SECOND HOLLOW CYLINDRICAL MEMBER DEFINING A LONGITUDINAL AXIS CONCENTRICALLY ALIGNED WITH THAT OF SAID FIRST HOLLOW CYLINDRICAL MEMBER AND HAVING A GREATER INNER DIAMETER THAN THE OUTER DIAMETER OF SAID FIRST HOLLOW CYLINDRICAL MEMBER, BOTH OF SAID MEMBERS HAVING THEIR LONGITUDINAL AXES ALIGNED WITH THE APERTURE IN THE HOUSING, AT LEAST ONE MEMBER OF WHICH IS OF SUFFICIENT LENGTH TO COMMUNICATE WITH SAID HOUSING APERTURE; (C) AND A SOUND RESPONSIVE DIAPHRAGM CONSTRUCTED OF EXTREMELY THIN ANIMAL TISSUE STRETCHED TIGHTLY OVER THE END OF SAID FIRST HOLLOW CYLINDRICAL MEMBER WHICH IS ADJACENT THE HOUSING APERTURE AND IS HELD IN PLACE BETWEEN SAID CYLINDRICAL MEMBERS, AT LEAST ONE OF SAID MEMBERS BEING FIXEDLY SECURED TO THE MICROPHONE FOR REDUCING SAID BACKGROUND NOISES.
Claim 2
Dependent Claim
194 words
A MECHANICAL DEVICE FOR REDUCING BACKGROUND NOISE CAUSED BY WIND EFFECTS AND METALLIC SOUNDS TO BE USED WITH A HEARING AID MICROPHONE LOCATED WITHIN THE HOUSING OF THE HEARING AID WHERE AN APERTURE IN THE HOUSING IS DISPOSED IN SPACED AND CONFRONTING RELATION WITH AN APERTURE IN THE MICROPHONE, SAID DEVICE COMPRISING: (A) A FIRST HOLLOW CYLINDRICAL MEMBER DEFINING A LONGITUDINAL AXIS, SAID CYLINDRICAL MEMBER ALIGNED WITH THE APERTURE OF THE MICROPHONE; (B) A SECOND HOLLOW CYLINDRICAL MEMBER DEFINING A LONGITUDINAL AXIS CONCENTRICALLY ALIGNED WITH THAT OF SAID FIRST HOLLOW CYLINDRICAL MEMBER AND HAVING A GREATER INNER DIAMETER THAN THE OUTER DIAMETER OF SAID FIRST HOLLOW CYLINDRICAL MEMBER, BOTH OF SAID MEMBERS HAVING THEIR LONGITUDINAL AXES ALIGNED WITH THE APERTURE IN THE HOUSING, AT LEAST ONE MEMBER OF WHICH IS OF SUFFICIENT LENGTH TO COMMUNICATE WITH SAID HOUSING APERTURE; (C) AND A SOUND RESPONSIVE DIAPHRAGM CONSTRUCTED OF EXTREMELY THIN ANIMAL TISSUE STRETCHED TIGHTLY OVER THE END OF SAID FIRST HOLLOW CYLINDRICAL MEMBER WHICH IS ADJACENT THE HOUSING APERTURE AND IS HELD IN PLACE BETWEEN SAID CYLINDRICAL MEMBERS, AT LEAST ONE OF SAID MEMBERS BEING FIXEDLY SECURED TO THE MICROPHONE FOR REDUCING SAID BACKGROUND NOISES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |