US4525091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrub sponge with opposed puncture member arms
Assignee: Kendall Co
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Filing: 1983-04-25
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Granted: 1985-06-25
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Expires: 2003-04-25
Abstract
Abstract A scrub sponge comprising, a packet having a rupturable wall and a closed chamber containing a liquid scrub agent, and a cover of foam material having a cavity to receive the packet and enclosing the packet. The sponge has a puncture member intermediate the cover and the packet and having a pair of generally aligned and spaced arms on opposed sides of the packet beneath the cover, and hinge means connecting the arms adjacent one end of the packet. The puncture member has at least one sharp projection on one of the arms directed toward the packet to pierce the wall when the arms are pressed toward each other to release the scrub agent into the cover, and an opening extending through the one arm adjacent the projection.
Inventors
- 👤 Ronald R. Van Overloop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L13/17; A45; A45D; A45D37/00; A61; A61M; A61M35/00; A61M35/003; A61M35/006; A45D2200/00; A45D2200/10; A45D2200/1009; A45D2200/1018; A45D2200/1036; A45D2200/1045
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
123 words
A scrub sponge, comprising: a packet having a rupturable wall and a closed chamber containing a liquid scrub agent; a cover of foam material having a cavity to receive said packet and enclosing said packet; and a puncture member intermediate said cover and the packet and having a pair of generally aligned and spaced arms on opposed sides of the packet beneath the cover, hinge means connecting said arms adjacent one end of the packet, and at least one sharp projection on one of said arms directed toward the packet to pierce the wall when the arms are pressed toward each other to release the scrub agent into the cover, and an opening extending through the other arm and aligned with the projection.
Claim 2
Dependent Claim
123 words
A scrub sponge, comprising: a packet having a rupturable wall and a closed chamber containing a liquid scrub agent; a cover of foam material having a cavity to receive said packet and enclosing said packet; and a puncture member intermediate said cover and the packet and having a pair of generally aligned and spaced arms on opposed sides of the packet beneath the cover, hinge means connecting said arms adjacent one end of the packet, and at least one sharp projection on one of said arms directed toward the packet to pierce the wall when the arms are pressed toward each other to release the scrub agent into the cover, and an opening extending through the other arm and aligned with the projection.
Claim 3
Dependent Claim
74 words
The sponge of claim 1 wherein said cover comprises an elongated sheet having a pair of opposed side edges and a pair of opposed end edges connecting the side edges, with said sheet being folded along a line at a longitudinal central portion of the sheet intermediate said end edges, said side edges intermediate the fold line and end edges being joined together, and said end edges being joined together to define the cavity.
Claim 4
Dependent Claim
72 words
The sponge of claim 2 wherein said packet has a pair of opposed side edges, and a pair of opposed end edges connecting the side edges, with one of the packet end edges being located adjacent the joined end edges of the cover, with the other packet end edge being located adjacent the cover fold line, and with the packet side edges being located adjacent the joined side edges of the cover.
Claim 5
Dependent Claim
12 words
The sponge of claim 1 wherein said cover comprises a polyurethane foam.
Claim 6
Dependent Claim
15 words
The sponge of claim 1 wherein the walls of said packet comprise a metallic foil.
Claim 7
Dependent Claim
12 words
The sponge of claim 1 wherein said scrub agent comprises povidone iodine.
Claim 8
Dependent Claim
12 words
The sponge of claim 1 wherein said scrub agent comprises a detergent.
Claim 9
Dependent Claim
14 words
The sponge of claim 1 wherein said puncture member comprises a flexible plastic material.
Claim 10
Dependent Claim
15 words
The sponge of claim 1 wherein said projection is tapered toward a relatively sharp point.
Claim 11
Dependent Claim
21 words
The sponge of claim 1 wherein said packet has a width and length substantially the width and length of said cavity.
Claim 12
Dependent Claim
17 words
The sponge of claim 1 wherein the one arm has an opening extending therethrough adjacent said projection.
Claim 13
Dependent Claim
21 words
The sponge of claim 11 wherein the other of said arms includes an opening extending therethrough and aligned with the projection.
Claim 14
Dependent Claim
29 words
The sponge of claim 12 including a raised ring extending around the openings on the one and other arms on a surface of the arms remote from the packet.
Claim 15
Dependent Claim
20 words
The sponge of claim 1 wherein said one arm includes a pair of spaced sharp projections directed toward the packet.
Claim 16
Dependent Claim
23 words
The sponge of claim 14 wherein the other of said arms includes a pair of openings extending therethrough and aligned with the projections.
Claim 17
Dependent Claim
23 words
The sponge of claim 11 including a raised ring extending around the opening on a surface of the one arm remote the packet.
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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) | 1988-06-24 | 1988-12-24 | 1989-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-24 | 1992-12-24 | 1993-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-24 | 1996-12-24 | 1997-06-25 | $7700.00 | Window Closed / Lapsed |