US4890352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backwasher
Assignee: Individual
•
Filing: 1988-08-11
•
Granted: 1990-01-02
•
Expires: 2008-08-11
Abstract
Abstract A back washer is provided and consists of a sponge rubber washing member affixed to a flat flexible rubber base plate that is removably mounted to a flat surface so that a person can wash their back against the washing member when in shower and bathtub.
Inventors
- 👤 George E. Stowers
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:03
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02; A47K7/03
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
197 words
A backwasher which comprises: (a) a flat flexible rubber base plate having a front washing surface and rear surface; (b) a sponge rubber washing member affixed to said front washing surface of said base plate; (c) means for removably mounting said rear surface of said base plate to a flat surface so that a person can wash their back against said washing member when in shower and bathtub, wherein said removably mounting means is a plurality of suction cups formed on the rear surface of said base plate which will stick to the flat surface; (d) each of said suction cups having a hollow chamber therein; (e) said base plate having a plurality of rearwardly angular holes, each fluidly connected to said hollow chamber of said suction cups; and (f) a plurality of curved rigid lips, each formed about each of said angular holes to guide some liquid soap that is applied onto said washing member into said hollow chamber of said suction cups so that when a person presses their back against said washing member, the liquid soap will be squeezed and pushed out into said washing member to help wash the back of the person.
Claim 2
Dependent Claim
197 words
A backwasher which comprises: (a) a flat flexible rubber base plate having a front washing surface and rear surface; (b) a sponge rubber washing member affixed to said front washing surface of said base plate; (c) means for removably mounting said rear surface of said base plate to a flat surface so that a person can wash their back against said washing member when in shower and bathtub, wherein said removably mounting means is a plurality of suction cups formed on the rear surface of said base plate which will stick to the flat surface; (d) each of said suction cups having a hollow chamber therein; (e) said base plate having a plurality of rearwardly angular holes, each fluidly connected to said hollow chamber of said suction cups; and (f) a plurality of curved rigid lips, each formed about each of said angular holes to guide some liquid soap that is applied onto said washing member into said hollow chamber of said suction cups so that when a person presses their back against said washing member, the liquid soap will be squeezed and pushed out into said washing member to help wash the back of the person.
Claim 3
Dependent Claim
69 words
A back washer comprising: (a) a sponge water and soap absorbing member having a front washing surface, and a rear mounting surface; (b) mounting means secured to said mounting surface adapted to secure said member to a support such as a tub and shower wall; (c) said mounting means including means for injecting liquid soap into said washing member responsive to pressure against said washing surface by a user.
Claim 4
Dependent Claim
69 words
A back washer comprising: (a) a sponge water and soap absorbing member having a front washing surface, and a rear mounting surface; (b) mounting means secured to said mounting surface adapted to secure said member to a support such as a tub and shower wall; (c) said mounting means including means for injecting liquid soap into said washing member responsive to pressure against said washing surface by a user.
References Cited (Backward Citations)
US1954940A
Cited
US3289215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-01 | 1993-07-03 | 1994-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-01 | 1997-07-03 | 1998-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-01 | 2001-07-03 | 2002-01-02 | $7700.00 | Window Closed / Lapsed |