Patent US3201528A successfully refreshed from Google Patents.
US3201528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-directional hearing aid
Assignee: AUDIVOX Inc
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Filing: 1962-07-20
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Granted: 1965-08-17
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Expires: 1982-07-20
Abstract
No abstract record available.
Inventors
- 👤 Johanson Donald Lee
- 👤 Clinton V Hulse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:37
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/40; H04R25/402; H04R1/00; H04R1/20; H04R1/32; H04R1/34; H04R1/342
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A HEARING AID FOR A HUMAN COMPRISING, A HOLLOW BODY SHAPED TO REST ON THE OUTER EAR OF THE WEARER AND CONTAINING THE COMPONENTS OF A HEARING AID SOUND TRANS FORMING AND AMPLIFYING SYSTEM, SAID COMPONENTS INCLUDING A MICROPHONE, SAID HOLLOW BODY HAVING A FIRST HOLE EXPOSED TO SAID MICROPHONE AND DIRECTED REARWARDLY AND UPWARDLY OF THE WEARER''S EAR AND A SECOND HOLE DIRECTED
Claim 2
Dependent Claim
64 words
A HEARING AID FOR A HUMAN COMPRISING, A HOLLOW BODY SHAPED TO REST ON THE OUTER EAR OF THE WEARER AND CONTAINING THE COMPONENTS OF A HEARING AID SOUND TRANS FORMING AND AMPLIFYING SYSTEM, SAID COMPONENTS INCLUDING A MICROPHONE, SAID HOLLOW BODY HAVING A FIRST HOLE EXPOSED TO SAID MICROPHONE AND DIRECTED REARWARDLY AND UPWARDLY OF THE WEARER''S EAR AND A SECOND HOLE DIRECTED
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |