US4130741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hearing aid reliner and apparatus for relining hearing aid ear molds
Assignee: Individual
•
Filing: 1978-01-19
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Granted: 1978-12-19
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Expires: 1998-01-19
Abstract
Abstract For the ear mold which fits in the ear canal of the ear of a wearer of a hearing aid, a reliner to hermetically seal between the surface of the ear mold and the tissues of a wearer to eliminate feedback and wherein the coating is applied and is selected from the class of adhesives which are non-toxic.
Inventors
- 👤 Benjamin Gottlieb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:51
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/45; H04R25/456; H04R25/65; H04R25/652; H04R25/658; H04R25/659
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
78 words
The process of relining an ear mold sized to fit the ear canal of a particular wearer which comprises the steps of applying a coating to the exterior surface of the ear mold wherein said coating comprises an adhesive of flowable material and inserting the coated ear mold into the ear canal wherein the coating comprises means for effecting a seal between the surface of the ear mold and the tissues within the ear canal to reduce feedback.
Claim 2
Dependent Claim
78 words
The process of relining an ear mold sized to fit the ear canal of a particular wearer which comprises the steps of applying a coating to the exterior surface of the ear mold wherein said coating comprises an adhesive of flowable material and inserting the coated ear mold into the ear canal wherein the coating comprises means for effecting a seal between the surface of the ear mold and the tissues within the ear canal to reduce feedback.
Claim 3
Dependent Claim
31 words
The process as set forth in claim 1 wherein the coating is air dried for a period of between 1/2 minute and 5 minutes prior to inserting into the ear canal.
Claim 4
Dependent Claim
45 words
The process as set forth in claim 2 wherein the coated ear mold is held in position in the ear for a period of 1/2 second to 5 minutes to effect a hermetic seal upon drying and wherein the coating dries to a tacky surface.
Claim 5
Dependent Claim
44 words
A non-toxic adhesive coating and ear mold piece of a hearing aid in combination wherein the coating is applied exteriorly to the surface of the ear mold and said coating comprises polyvinyl acetate copolymer water based synthetic resin and tackifiers of the benzoate type.
Claim 6
Dependent Claim
44 words
A non-toxic adhesive coating and ear mold piece of a hearing aid in combination wherein the coating is applied exteriorly to the surface of the ear mold and said coating comprises polyvinyl acetate copolymer water based synthetic resin and tackifiers of the benzoate type.
Claim 7
Dependent Claim
39 words
A non-toxic adhesive coating and ear mold piece of a hearing aid in combination wherein the coating is applied exteriorly to the surface of the ear mold, and said non-toxic adhesive comprises a natural latex emulsion containing rosin-type tackifiers.
Claim 8
Dependent Claim
39 words
A non-toxic adhesive coating and ear mold piece of a hearing aid in combination wherein the coating is applied exteriorly to the surface of the ear mold, and said non-toxic adhesive comprises a natural latex emulsion containing rosin-type tackifiers.
Claim 9
Dependent Claim
18 words
The device as set forth in claim 5 wherein the coating includes a preservative added to prevent putrefaction.
References Cited (Backward Citations)
US3979567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |