Patent US4817609A successfully refreshed from Google Patents.
US4817609A
Expired / Lapsed
US
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Method for treating hearing deficiencies
Assignee: GN Hearing Care Corp
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Filing: 1987-09-11
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Granted: 1989-04-04
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Expires: 2007-09-11
Abstract
Abstract A method and apparatus are described for treating hearing impairment in a human. The external auditory canal is substantially enlarged surgically in region proximate the ear drum. An electronic hearing aid is placed in this region. The hearing aid has a external housing molded to conform with the shape of the surgically enlarged region.
Inventors
- 👤 Rodney C. Perkins
- 👤 Jason L. Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:22
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/60; H04R25/65; H04R25/652; H04R25/658; H04R2225/00; H04R2225/77; H04R2460/00; H04R2460/17; H04R25/609
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
46 words
A method for treating hearing impairment in a human, comprising, surgically substantially enlarging the external auditory canal in a region proximate the ear drum, and placing in said region an electronic hearing aid having an external housing molded to conform with the shape of said region.
Claim 2
Independent Claim
46 words
A method for treating hearing impairment in a human, comprising, surgically substantially enlarging the external auditory canal in a region proximate the ear drum, and placing in said region an electronic hearing aid having an external housing molded to conform with the shape of said region.
Claim 3
Dependent Claim
28 words
A method according to claim 1 wherein a shoulder is surgically formed adjacent the ear drum to provide a stop for locating said hearing aid in said region.
Claim 4
Dependent Claim
20 words
A method according to claim 1 wherein said hearing aid is adapted for insertion and removal by the human wearer.
References Cited (Backward Citations)
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US4584437A
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US4680799A
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US4735759A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-04-03 | 1992-10-03 | 1993-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-03 | 1996-10-03 | 1997-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-03 | 2000-10-03 | 2001-04-04 | $7700.00 | Window Closed / Lapsed |