US5033155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long-handled brush suitable for cleaning hollow bodies
Assignee: Individual
•
Filing: 1988-09-26
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Granted: 1991-07-23
•
Expires: 2008-09-26
Abstract
Abstract The invention relates to a long-handled brush suitable for cleaning hollow bodies, e.g. drinkware, bottles, thermos flasks, bowls, vases, etc. The brush comprises a handle and a removable cleaning head. The cleaning head has an elastic core and an outer covering of fell or fell-like material, such as natural sheepskin. A headed bolt is preferably used to attach the cleaning head to the handle, with the bolt extending through a central longitudinal channel in the head. The cleaning head is preferably cylindrical and the handle may be telescopically extendable.
Inventors
- 👤 Manfred Klotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:38
CPC Classifications
A; A46; A46B; A46B7/00
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
73 words
A long-handled brush for cleaning hollow bodies comprising, a handle and a detachable cleaning head having a circular shape connected to the handle by means of a connecting collar embedded in a core of the cleaning head and adapted to be connected to an end of said handle; said cleaning head having an enveloping layer of fell or fell-like material positioned over its circular shape and over both end surfaces of the core.
Claim 2
Dependent Claim
73 words
A long-handled brush for cleaning hollow bodies comprising, a handle and a detachable cleaning head having a circular shape connected to the handle by means of a connecting collar embedded in a core of the cleaning head and adapted to be connected to an end of said handle; said cleaning head having an enveloping layer of fell or fell-like material positioned over its circular shape and over both end surfaces of the core.
Claim 3
Dependent Claim
43 words
A long-handled brush in accordance with claim 1, wherein said core comprises a material selected from the group consisting of natural sponge and spongy synthetic material, and said enveloping layer comprises a material selected from the group consisting of artificial and genuine fell.
Claim 4
Dependent Claim
18 words
A long-handled brush in accordance with claim 1, wherein said cleaning head has an essentially circular cylindrical shape.
Claim 5
Dependent Claim
24 words
A long-handled brush in accordance with claim 1, wherein said cleaning head has a cylindrical shape created from a rectangular base with rounded corners.
Claim 6
Dependent Claim
16 words
A long-handled brush in accordance with claim 1, wherein said cleaning head has a barrel-like shape.
Claim 7
Dependent Claim
16 words
A long-handled brush in accordance with claim 1, wherein the core has a curved longitudinal surface.
Claim 8
Dependent Claim
20 words
A long-handled brush in accordance with claim 1, wherein the core has a curved longitudinal surface and opposed end surfaces.
Claim 9
Dependent Claim
38 words
A long-handled brush in accordance with claim 1, wherein the cleaning head is detachably fixed upon the handle by means of an insertion/locking connecting arrangement by virtue of a detachable connection between said handle and said connecting collar.
Claim 10
Dependent Claim
17 words
A long-handled brush in accordance with claim 8, wherein said handle is length-adjustable in a telescopic manner.
Claim 11
Dependent Claim
66 words
A long-handled brush in accordance with claim 9, wherein the handle possesses one or more tubes that can be slid into each other and that can, after adjustment, be fixed relative to each other by means of spring loaded locking members, whereby furthermore one tube having a locking member is inserted and locked into said connecting collar which projects from an end surface of the core.
Claim 12
Dependent Claim
23 words
A long-handled brush in accordance with claim 8, wherein the handle has a circular cross-section and is constructed of metal or synthetic material.
Claim 13
Dependent Claim
32 words
A long-handled brush in accordance with claim 1, wherein said core is elastic and is coated with a fell enveloping layer which has a hair length of approximately 3 to 7 mm.
Claim 14
Dependent Claim
134 words
A long-handled brush for cleaning hollow bodies comprising, a handle and a cleaning head having a circular shape detachably mounted upon said handle by insertion locking connection means, wherein said cleaning head comprises an elastic core and an enveloping layer around said core; said handle having and end proximate said cleaning head, said insertion locking connection means comprising a washer means fixed to said proximate end and which is disposed to sit upon an end surface of said core, said washer having anchoring projections that fit into said core, and attached to said washer and coaxially to said handle, is a headed bolt insertably lockable into a graduated narrow medial channel through said core; wherein said enveloping layer is of fell or fell-like material and is positioned over both end surfaces of the core.
Claim 15
Dependent Claim
134 words
A long-handled brush for cleaning hollow bodies comprising, a handle and a cleaning head having a circular shape detachably mounted upon said handle by insertion locking connection means, wherein said cleaning head comprises an elastic core and an enveloping layer around said core; said handle having and end proximate said cleaning head, said insertion locking connection means comprising a washer means fixed to said proximate end and which is disposed to sit upon an end surface of said core, said washer having anchoring projections that fit into said core, and attached to said washer and coaxially to said handle, is a headed bolt insertably lockable into a graduated narrow medial channel through said core; wherein said enveloping layer is of fell or fell-like material and is positioned over both end surfaces of the core.
Claim 16
Dependent Claim
68 words
A long-handled brush in accordance with claim 13 wherein said washer means is a double washer comprising two parts locked together and disposed between the handle and the cleaning head; a first part fixed to the handle proximate said cleaning head and a second part attached to the end surface of said core, the parts cooperating to permit the cleaning head to be easily detached from said handle.
Claim 17
Dependent Claim
66 words
A long-handled brush in accordance with claim 14 wherein a washer comprising said first part is arranged adjacent to the handle and possesses one or more oppositely facing recesses and a second washer comprising said second part attached to said headed bolt and said anchoring projections which has locking tongues that fit into said recesses formed on said first part to prevent rotation of the handle.
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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) | 1994-07-22 | 1995-01-21 | 1995-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-22 | 1999-01-21 | 1999-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-22 | 2003-01-21 | 2003-07-23 | $7700.00 | Window Closed / Lapsed |