Patent US3019306A successfully refreshed from Google Patents.
US3019306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer suspension
Assignee: Beltone Hearing Aid Co
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Filing: 1960-07-11
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Granted: 1962-01-30
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Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Erwin M Weiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:02
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/60; H04R25/604
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE IMPROVEMENT OF TRANSDUCER MOUNTING MEANS FOR SUPPORTING A TRANSDUCER WITHIN A HERAING AID CASE COMPRISING A PLURALITY OOF SINOUS SERIES CONNECTED BEAMS SECURED TO THE WALLS OF A TRANSDUCER CAVITY WITHIN THE CASE,
Claim 2
Dependent Claim
34 words
THE IMPROVEMENT OF TRANSDUCER MOUNTING MEANS FOR SUPPORTING A TRANSDUCER WITHIN A HERAING AID CASE COMPRISING A PLURALITY OOF SINOUS SERIES CONNECTED BEAMS SECURED TO THE WALLS OF A TRANSDUCER CAVITY WITHIN THE CASE,
References Cited (Backward Citations)
US2260727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |