US4384589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel liquid delivery system for toiletries
Assignee: Procter and Gamble Co
•
Filing: 1981-07-27
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Granted: 1983-05-24
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Expires: 2001-07-27
Abstract
Abstract Device for applying liquid materials to the skin, said device having a poromeric plastic applicator surface with improved delivery characteristics, and a liquid absorbent cap means fitting over said applicator surface.
Inventors
- 👤 Edward Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:12
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/42; A; A45; A45D; A45D34/00; A45D34/04; A45D2200/00; A45D2200/10; A45D2200/1009; A45D2200/1018
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
102 words
A liquid applicator suitable for use in the application of liquids to a surface of the human body comprising a container having a container body adapted for storing a quantity of said liquid, said container having an opening at the upper end thereof, hollow dome shaped applicator means positioned in said opening, said applicator means being releasably secured in said opening; said applicator means comprising a non-flexible, non-deformable, sintered, porous synthetic resin structure having a controlled porosity and having omni-directional interconnecting pores, the interior surface of said applicator means being impervious to the liquid except for the area at the apex thereof.
Claim 2
Dependent Claim
102 words
A liquid applicator suitable for use in the application of liquids to a surface of the human body comprising a container having a container body adapted for storing a quantity of said liquid, said container having an opening at the upper end thereof, hollow dome shaped applicator means positioned in said opening, said applicator means being releasably secured in said opening; said applicator means comprising a non-flexible, non-deformable, sintered, porous synthetic resin structure having a controlled porosity and having omni-directional interconnecting pores, the interior surface of said applicator means being impervious to the liquid except for the area at the apex thereof.
Claim 3
Dependent Claim
28 words
The liquid applicator of claim 1 wherein said interior surface is made impervious by application of a layer of material impervious to said liquid to said interior surface.
Claim 4
Dependent Claim
19 words
The liquid applicator of claim 1 wherein said interior surface is made impervious by heat fusion of said surface.
Claim 5
Dependent Claim
20 words
The liquid applicator of claim 1 wherein said interior surface is made impervious by application of pressure to said surface.
Claim 6
Dependent Claim
53 words
The liquid applicator of claim 1 comprising in addition an absorbent wicking means within said container body capable of absorbing said liquid stored therein, said wicking means being positioned in intimate contact with said shaped applicator means, whereby said liquid is transferred to said applicator means by capillary flow through said wicking means.
Claim 7
Dependent Claim
17 words
The liquid applicator of claim 1 wherein said wicking means comprises a natural or synthetic fibrous material.
Claim 8
Dependent Claim
16 words
The liquid applicator of claim 1 comprising in addition a cap fitted over said applicator means.
Claim 9
Dependent Claim
62 words
A porous applicator head for use in a container for liquids to be applied to the human body, said applicator head comprising a porous hollow dome shaped structure of non-flexible, non-deformable, sintered, synthetic resin having a controlled porosity and having omni-directional interconnecting pores, the interior surface of said applicator head being impervious to liquids except for the area at the apex thereof.
Claim 10
Dependent Claim
62 words
A porous applicator head for use in a container for liquids to be applied to the human body, said applicator head comprising a porous hollow dome shaped structure of non-flexible, non-deformable, sintered, synthetic resin having a controlled porosity and having omni-directional interconnecting pores, the interior surface of said applicator head being impervious to liquids except for the area at the apex thereof.
Claim 11
Dependent Claim
29 words
The porous applicator head of claim 8 wherein said interior surface is made impervious by application of a layer of material impervious to said liquid to said interior surface.
Claim 12
Dependent Claim
20 words
The porous applicator head of claim 8 wherein said interior surface is made impervious by heat fusion of said surface.
Claim 13
Dependent Claim
21 words
The porous applicator head of claim 8 wherein said interior surface is made impervious by application of pressure to said surface.
References Cited (Backward Citations)
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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) | 1986-05-23 | 1986-11-22 | 1987-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-23 | 1990-11-22 | 1991-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-23 | 1994-11-22 | 1995-05-24 | $7700.00 | Window Closed / Lapsed |