Patent US3170046A successfully refreshed from Google Patents.
US3170046A
Expired / Lapsed
US
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Hearing aid
Assignee: EARMASTER Inc
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Filing: 1961-12-05
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Granted: 1965-02-16
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Expires: 1981-12-05
Abstract
No abstract record available.
Inventors
- 👤 Leslie P Leale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:06
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/65; H04R25/652; C; C25; C25D; C25D1/00; H04R2225/00; H04R2225/023; H04R25/658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A SELF-CONTAINED HEARING AID COMPRISING: A UNITARY, ELECTRO-FORMED, METALLIC HOUSING HAVING THIN WALLS OF SUBSTANTIALLY UNIFORM WALL THICKNESS, SAID UNITARY HOUSING COMPRISING A MAIN BODY PORTION CONFORMING SUBSTANTIALLY TO THE CONCHA AREA OF THE EAR AND HAVING MEANS DEPENDENT FROM SAID MAIN PORTION FOR FRICTIONALLY ENGAGING THE HOLLOW OF THE EAR FORMED BY THE ANTIHELIX AND CONCHA AND AN AUDITORY CANAL PORTION FORMED TO FIT SNUGLY WITHIN THE AUDITORY CANAL OF THE EAR, THE OUTER END OF THE MAIN BODY PORTION HAVING AN OPENING TO PROVIDE ACCESS TO THE INTERIOR OF THE HOUSING; A COVERPLATE REMOVABLY ATTACHED TO SAID HOUSING TOTALLY ENCLOSING SAID HOUSING, SAID PLATE HAVING A SLOT LOCATED THEREIN; A PAIR OF OPPOSED RESILIENT METAL ELECTRICAL CONTACTS MOUNTED ON SAID COVER IN SPACED RELATIONSHIP ON THE OPPOSITE SIDES OF SAID SLOT; A REMOVABLE BATTERY CARRIER FITTED WITHIN SAID SLOT, SAID CARRIER HAVING A RECESS THEREIN FOR HOLDING AN ELECTRICAL BATTERY; A MICROPHONE ATTACHED TO SAID COVERPLATE; AN AMPLIFIER CIRCUIT DIRECTLY CONNECTED TO SAID MICROPHONE; AND A RECEIVER CONNECTED ONLY TO SAID AMPLIFIER CIRCUIT AND TO SAID MICROPHONE.
Claim 2
Dependent Claim
179 words
A SELF-CONTAINED HEARING AID COMPRISING: A UNITARY, ELECTRO-FORMED, METALLIC HOUSING HAVING THIN WALLS OF SUBSTANTIALLY UNIFORM WALL THICKNESS, SAID UNITARY HOUSING COMPRISING A MAIN BODY PORTION CONFORMING SUBSTANTIALLY TO THE CONCHA AREA OF THE EAR AND HAVING MEANS DEPENDENT FROM SAID MAIN PORTION FOR FRICTIONALLY ENGAGING THE HOLLOW OF THE EAR FORMED BY THE ANTIHELIX AND CONCHA AND AN AUDITORY CANAL PORTION FORMED TO FIT SNUGLY WITHIN THE AUDITORY CANAL OF THE EAR, THE OUTER END OF THE MAIN BODY PORTION HAVING AN OPENING TO PROVIDE ACCESS TO THE INTERIOR OF THE HOUSING; A COVERPLATE REMOVABLY ATTACHED TO SAID HOUSING TOTALLY ENCLOSING SAID HOUSING, SAID PLATE HAVING A SLOT LOCATED THEREIN; A PAIR OF OPPOSED RESILIENT METAL ELECTRICAL CONTACTS MOUNTED ON SAID COVER IN SPACED RELATIONSHIP ON THE OPPOSITE SIDES OF SAID SLOT; A REMOVABLE BATTERY CARRIER FITTED WITHIN SAID SLOT, SAID CARRIER HAVING A RECESS THEREIN FOR HOLDING AN ELECTRICAL BATTERY; A MICROPHONE ATTACHED TO SAID COVERPLATE; AN AMPLIFIER CIRCUIT DIRECTLY CONNECTED TO SAID MICROPHONE; AND A RECEIVER CONNECTED ONLY TO SAID AMPLIFIER CIRCUIT AND 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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |