Patent US4996000A successfully refreshed from Google Patents.
US4996000A
Expired / Lapsed
US
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Multilayer cleansing bar
Assignee: Individual
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Filing: 1989-02-03
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Granted: 1991-02-26
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Expires: 2009-02-03
Abstract
Abstract A cleansing bar having a plurality of layers of different cleansing materials. The structure permits selectively using one of the materials at a time. One layer may have an undulating surface and this surface may have different cleansing materials on opposite faces. The bar may be longitudinally divided in half with the two halves being relatively rotatable.
Inventors
- 👤 Dale R. Redeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:09
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0047; C11D17/006; C11D17/0065; C11D17/0073; C11D17/0078
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
58 words
A two layered cleansing bar comprising: a first layer of a first solid, substantially nonabrasive, cleansing material; a second layer of different solid cleansing material inseparably joined to said first layer along a substantially centrally located plane; said second layer having undulations with each undulation having two halves and each half of each said undulation having different abrasiveness.
Claim 2
Dependent Claim
58 words
A two layered cleansing bar comprising: a first layer of a first solid, substantially nonabrasive, cleansing material; a second layer of different solid cleansing material inseparably joined to said first layer along a substantially centrally located plane; said second layer having undulations with each undulation having two halves and each half of each said undulation having different abrasiveness.
Claim 3
Dependent Claim
17 words
A two layered cleansing bar in accordance with claim 1 wherein: said second layer has curved undulations.
Claim 4
Dependent Claim
17 words
A two layered cleansing bar in accordance with claim 1 wherein: said second layer has angular undulations.
Claim 5
Dependent Claim
77 words
A cleansing bar in accordance with claim 1 wherein: said first and second layers have a common interface; a longitudinal axis is located on said interface; a pivot is positioned on said axis; said pivot has two relatively rotatable parts; said bar is divided laterally to have a first half on one of said pivot parts, and a second half on the other of said pivot parts, whereby said halves can be rotated relative to each other.
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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) | 1994-02-25 | 1994-08-27 | 1995-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-25 | 1998-08-27 | 1999-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-25 | 2002-08-27 | 2003-02-26 | $7700.00 | Window Closed / Lapsed |