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US4429800A Expired / Lapsed US ⏱️ 0.0 years remaining

Child safe container-closure unit

Assignee: Individual
•
Filing: 1982-06-01
•
Granted: 1984-02-07
•
Expires: 2002-06-01
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Abstract

Abstract A removable cover on a container has first and second tabs extending downwardly alongside the upper periphery of a container. Each tab has a latch member in contact with the lower surface of a ledge structure to prevent upward movement of the cover. The cover is removed by simultaneously pushing each tab radially inwardly and then pushing upwardly on the cover.

Inventors

  • 👤 Donald J. Greenspan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:02
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/045

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 91 words
A child safe container-closure unit comprising a container for holding items, said container capable of being opened at least at one end thereof, a releasable cover for engagement with an opening at least at one end of said container, said cover having fastening means for attaching said cover to said container, said fastening means including releasable latch means comprised of at least two latches separated by a predetermined distance so that the latch means is releasable by an adult finger, but is reasonably inoperable by at least one child's size finger.
Claim 2
Dependent Claim 91 words
A child safe container-closure unit comprising a container for holding items, said container capable of being opened at least at one end thereof, a releasable cover for engagement with an opening at least at one end of said container, said cover having fastening means for attaching said cover to said container, said fastening means including releasable latch means comprised of at least two latches separated by a predetermined distance so that the latch means is releasable by an adult finger, but is reasonably inoperable by at least one child's size finger.
Claim 3
Dependent Claim 143 words
A child safe container-closure unit comprising a container for holding items, said container capable of being opened at least at one end thereof, a releasable cover for engagement with an opening at least at one end of said container, said cover having tab means extending downwardly so as to extend alongside the periphery of the open end of said container when said cover is engaged with said container, said tab means having latch means thereon to prevent upward movement of said cover, said tab means being sufficiently flexible such that said latch means may be deflected from a latched position to a release position by sufficient finger pressure on said tab means, said tab means designed to be operated by one adult size finger and said tab means being reasonably inoperable to release said latch means by at least one child's size finger.
Claim 4
Dependent Claim 143 words
A child safe container-closure unit comprising a container for holding items, said container capable of being opened at least at one end thereof, a releasable cover for engagement with an opening at least at one end of said container, said cover having tab means extending downwardly so as to extend alongside the periphery of the open end of said container when said cover is engaged with said container, said tab means having latch means thereon to prevent upward movement of said cover, said tab means being sufficiently flexible such that said latch means may be deflected from a latched position to a release position by sufficient finger pressure on said tab means, said tab means designed to be operated by one adult size finger and said tab means being reasonably inoperable to release said latch means by at least one child's size finger.
Claim 5
Dependent Claim 46 words
A child safe container-closure unit in accordance with claim 2 wherein said container further comprises ledge means disposed adjacent the periphery of the open end of said container and wherein said latch means interlock with said ledge means when said cover is engaged with said container.
Claim 6
Dependent Claim 19 words
A child safe container-closure unit in accordance with claim 2 wherein said tab means comprises first and second tabs.
Claim 7
Dependent Claim 41 words
A child safe container-closure unit in accordance with claim 2 wherein said cover has a lip which snaps over a bead at the upper end of the container, said container being free from said bead in the area of said tabs.
Claim 8
Dependent Claim 23 words
A child safe container-closure unit in accordance with claim 3 wherein said ledge means is defined by first and second circumferentially spaced projections.
Claim 9
Dependent Claim 27 words
A child safe container-closure unit in accordance with claim 3 wherein said ledge means is defined by an arcuate band spaced from and coaxial with said container.
Claim 10
Dependent Claim 31 words
A child safe container-closure unit in accordance with claim 4 wherein said tabs are angled downwardly and outwardly with respect to said cover so that included angle is of inverted V-shape.
Claim 11
Dependent Claim 27 words
A child safe container-closure unit in accordance with claim 2 including a cam on said container for camming the latch members radially outwardly when replacing the cover.
Claim 12
Dependent Claim 27 words
A child safe container-closure unit in accordance with claim 2 wherein a projection is provided on the cover at the location of said ledge means and tabs.
Claim 13
Dependent Claim 29 words
A child safe container-closure unit in accordance with claim 3 wherein said latch means comprise one or more latch members which contact the bottom surface of the ledge means.
Claim 14
Dependent Claim 22 words
A child safe container-closure unit in accordance with claim 11 wherein said latch members contact the top surface of the ledge means.
Claim 15
Dependent Claim 26 words
A child safe container-closure unit in accordance with claim 2 which further comprises a tunnel adjacent said latch means to accommodate only one adult size finger.
Claim 16
Dependent Claim 20 words
A child safe container-closure unit in accordance with claim 3 wherein said latch means and ledge means having mating tapers.
Claim 17
Dependent Claim 35 words
A child safe container-closure unit in accordance with claim 3 wherein a member is attached perpendicularly to said container and disposed between said cover and said ledge means to require two-handed operation of the unit.
Claim 18
Dependent Claim 45 words
A child safe container-closure unit in accordance with claim 2 wherein said latch means extends downwardly from said cover to be disposed within said container with said latch means being activated outside the container by virtue of an aperture in the wall of the container.
Claim 19
Dependent Claim 44 words
A child safe container-closure unit in accordance with claim 3 which further comprises a triangular member attached to said container and adjacent the ledge means so as to prevent disengagement of the cover from the container without having first to release the latch means.
Claim 20
Independent Claim 92 words
A method of childproofing a container for holding items, said container capable of being opened at least at one end thereof comprising providing a releasable cover for engagement with an opening at least at one end of said container, providing said cover with fastening means for attaching said cover to said container, said fastening means including releasable latch means comprised of at least two latches separated by a predetermined distance so that the latch means is releasable by an adult size finger, but reasonably inoperable by at least one child's size finger.
Claim 21
Independent Claim 92 words
A method of childproofing a container for holding items, said container capable of being opened at least at one end thereof comprising providing a releasable cover for engagement with an opening at least at one end of said container, providing said cover with fastening means for attaching said cover to said container, said fastening means including releasable latch means comprised of at least two latches separated by a predetermined distance so that the latch means is releasable by an adult size finger, but reasonably inoperable by at least one child's size finger.
Claim 22
Independent Claim 178 words
A method of childproofing a container for holding items, said container capable of being opened at least at one end thereof, comprising: providing a ledge means adjacent the periphery of the open end of said container, and providing a releasable cover for engagement with an opening at least at one end of said container, said cover having tab means extending downwardly so as to extend alongside the periphery of the open end of said container when said cover is engaged with said container, said tab means having latch means thereon, said latch means in contact with a surface of said ledge means when said cover is engaged with said container to prevent upward movement of said cover, said tab means being sufficiently flexible such that said latch means may be deflected from a latched position to a release position by sufficient finger pressure on said tab means, said tab means designed to be operated by one adult size finger and said tab means being reasonably inoperable to release said latch means by at least one child's size finger.
Claim 23
Independent Claim 178 words
A method of childproofing a container for holding items, said container capable of being opened at least at one end thereof, comprising: providing a ledge means adjacent the periphery of the open end of said container, and providing a releasable cover for engagement with an opening at least at one end of said container, said cover having tab means extending downwardly so as to extend alongside the periphery of the open end of said container when said cover is engaged with said container, said tab means having latch means thereon, said latch means in contact with a surface of said ledge means when said cover is engaged with said container to prevent upward movement of said cover, said tab means being sufficiently flexible such that said latch means may be deflected from a latched position to a release position by sufficient finger pressure on said tab means, said tab means designed to be operated by one adult size finger and said tab means being reasonably inoperable to release said latch means by at least one child's size finger.

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) 1987-02-06 1987-08-08 1988-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-02-06 1991-08-08 1992-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-02-06 1995-08-08 1996-02-07 $7700.00 Window Closed / Lapsed

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