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US3098127A Expired / Lapsed US ⏱️ 0.0 years remaining

Hearing aid

Assignee: Individual
•
Filing: 1961-07-03
•
Granted: 1963-07-16
•
Expires: 1981-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 Walter H Huth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:06
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)

US2950357A Cited
DE1078175B Cited
US2987584A Cited

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

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