Patent US4820259A successfully refreshed from Google Patents.
US4820259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
External ear cleaning device
Assignee: Individual
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Filing: 1987-06-01
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Granted: 1989-04-11
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Expires: 2007-06-01
Abstract
Abstract An external ear cleaning device which is specially adapted for reaching the surfaces of the curved portions of the external ear. A substantially inflexible shaft has attached thereon at least one end piece constructed of a flexible material capable of absorbing water. The flexible material is deformable when pressure is applied to the shaft, such that the end piece can contact normally inaccessible portions of the external ear. The end piece also has a portion which extends radially outward from the shaft and which prevents harmful insertion of the device into the ear opening.
Inventors
- 👤 Robert B. Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:05
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/38; A61F11/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
174 words
A generally dowel-shaped device for cleaning an external ear having an ear opening and further having a plurality of curved portions which define surfaces, the device comprising: a substantially inflexible shaft; a moisture absorbent end piece positioned over at least one end of said shaft, said end piece including: a first portion attached to said end of said shaft and having a first outer circumference; a second portion attached to said first portion on a side opposite said shaft and extending outward from said first portion and said shaft, said second portion having a second outer circumference smaller than said first outer circumference; wherein said first portion of said end piece has at least one cross-sectional dimension larger than the diameter of the ear opening to prevent insertion of said first portion into said ear opening, and wherein at least said second portion of said end piece is engageable with both the outer surface portion of the auditory canal and the surfaces of the curved portions of the external ear for cleaning said surfaces.
Claim 2
Dependent Claim
174 words
A generally dowel-shaped device for cleaning an external ear having an ear opening and further having a plurality of curved portions which define surfaces, the device comprising: a substantially inflexible shaft; a moisture absorbent end piece positioned over at least one end of said shaft, said end piece including: a first portion attached to said end of said shaft and having a first outer circumference; a second portion attached to said first portion on a side opposite said shaft and extending outward from said first portion and said shaft, said second portion having a second outer circumference smaller than said first outer circumference; wherein said first portion of said end piece has at least one cross-sectional dimension larger than the diameter of the ear opening to prevent insertion of said first portion into said ear opening, and wherein at least said second portion of said end piece is engageable with both the outer surface portion of the auditory canal and the surfaces of the curved portions of the external ear for cleaning said surfaces.
Claim 3
Dependent Claim
23 words
A device as claimed in claim 1, wherein a separate said moisture absorbent end piece is positioned on each end of said shaft.
Claim 4
Dependent Claim
17 words
A device as claimed in claim 1, wherein said moisture absorbent end piece contains a cleaning substance.
Claim 5
Dependent Claim
28 words
A device as claimed in claim 1, wherein said shaft and said moisture absorbent end piece comprise a single piece of synthetic sponge, said shaft including stiffening means.
Claim 6
Dependent Claim
46 words
A device as claimed in claim 1, wherein said inflexible shaft has a longitudinal axis, and wherein said first portion comprises an annulus attached to said end of said shaft, the outer circumference of said annulus lying in a plane substantially perpendicular to said longitudinal axis.
Claim 7
Dependent Claim
73 words
A device as claimed in claim 5, wherein said second portion extends from said first portion in a direction parallel to said longitudinal axis, said second portion including a first cylindrical section attached to said first portion on a first side and a second cylindrical section attached to said first cylindrical section on a second side opposite said first side, said second cylindrical section having a smaller diameter than said first cylindrical section.
Claim 8
Dependent Claim
26 words
A device as claimed in claim 1, wherein said device comprises a rolled material forming said shaft and said end piece, said shaft including stiffening means.
Claim 9
Dependent Claim
16 words
A device as claimed in claim 7, wherein said rolled material is a synthetic non-woven material.
Claim 10
Dependent Claim
17 words
A device as claimed in claim 1, wherein said moisture absorbent end piece is expandable upon wetting.
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) | 1992-04-10 | 1992-10-10 | 1993-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-10 | 1996-10-10 | 1997-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-10 | 2000-10-10 | 2001-04-11 | $7700.00 | Window Closed / Lapsed |