Patent US3098127A successfully refreshed from Google Patents.
US3098127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hearing aid
Assignee: Individual
•
Filing: 1961-07-03
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Granted: 1963-07-16
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Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Walter H Huth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:09
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/40; H04R25/402
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A HEARING AID COMPRISING, AN EAR PLUG HAVING A SOUND CHANNEL THERETHROUGH, A SEPARATE HOUSING ENCLOSING AN AMPLIFIER AND A RECEIVER POWERED BY THE AMPLIFIER, MEANS OPERATIVELY CONNECTING THE AMPLIFIER AND RECEIVER, A SOUND TUBE CONNECTING THE HOUSED RECEIVER WITH THE EAR PLUG CHANNEL, A MICROPHONE MOUNTED ON THE EAR PLUG, AND CONNECTING WIRES WITHIN THE SOUND TUBE FOR COMPLETING AND OPERATING CIRCUIT BETWEEN THE MICROPHONE AND THE AMPLIFIER.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |