US3209080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical hearing aid
Assignee: Siemens Reiniger Werke AG
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Filing: 1961-06-29
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Granted: 1965-09-28
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Guttner Werner
- 👤 Starke Clemens
- 👤 Sapara Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:11
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/40; H04R25/402; H04R25/60; H04R2225/00; H04R2225/021; H04R2225/0213; H04R25/607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN ELECTRICAL HEARING AID COMPRISING A HOUSING CONSTRUCTED TO BE DISPOSED AND WORN BEHIND THE EAR, SAID HOUSING CONTAINING COMPONENTS INCLUDING A BATTERY, A MICROPHONE, AN AMPLIFIER WITH REGULATION MEANS AND A RECEIVER, A HOOKLIKE CURVED CARRIER FREE OF ELECTRICAL COMPONENTS, WHICH IS TO BE WORN UPON THE UPPER PART OF THE AURICLE, MEANS FORMING AN ELONGATED TUBULAR ACOUSTIC PASSAGEWAY FOR CONDUCTING SOUND WAVES FROM EXTERIORLY THE HOUSING TO SAID MICROPHONE, SAID ACOUSTIC PASSAGEWAY TERMINATING AT ITS OUTER END IN A FRONTALLY DIRECTED OPENING NEAR THE UPPER PART OF THE AURICLE WHEN THE HEARING AID IS WORN, WITH SAID ACOUSTIC PASSAGEWAY EXTENDING REARWARDLY OVER THE AURICLE TO SAID MICROPHONE.
Claim 2
Dependent Claim
109 words
AN ELECTRICAL HEARING AID COMPRISING A HOUSING CONSTRUCTED TO BE DISPOSED AND WORN BEHIND THE EAR, SAID HOUSING CONTAINING COMPONENTS INCLUDING A BATTERY, A MICROPHONE, AN AMPLIFIER WITH REGULATION MEANS AND A RECEIVER, A HOOKLIKE CURVED CARRIER FREE OF ELECTRICAL COMPONENTS, WHICH IS TO BE WORN UPON THE UPPER PART OF THE AURICLE, MEANS FORMING AN ELONGATED TUBULAR ACOUSTIC PASSAGEWAY FOR CONDUCTING SOUND WAVES FROM EXTERIORLY THE HOUSING TO SAID MICROPHONE, SAID ACOUSTIC PASSAGEWAY TERMINATING AT ITS OUTER END IN A FRONTALLY DIRECTED OPENING NEAR THE UPPER PART OF THE AURICLE WHEN THE HEARING AID IS WORN, WITH SAID ACOUSTIC PASSAGEWAY EXTENDING REARWARDLY OVER THE AURICLE TO SAID MICROPHONE.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |