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Class 229/125.29 - Closure includes slit or aperture to receive a projection from a box wall


Subclass of Class 229 - Envelopes, wrappers, and paperboard boxes
Definition: Subject matter wherein the nonunitary closure has an opening
No. of patents: 44
Last issue date: 03/04/2008


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NumberTitleIssue Date
7337905Tongue lock for stackable containers
A tongue shaped friction lock is integrally formed in a dust cover or a bottom panel of an open-topped container and positioned to capture the stacking tabs of an adjacent open-topped container. The friction lock provides a small opening through which a stacking tab...
03/04/2008
7275679Multi-ply corrugated containers, such as bulk bins, and fitment retainers, such as drain fitment retainers usable with bulk bins
Corrugated container assemblies, such as bulk bins, that include corrugated container bodies and drain fitment retainers. In one embodiment, a corrugated container assembly includes a rectangular corrugated container body having a bottom portion and a top portion. A...
10/02/2007
7229002Structure and process for packaging and shipping produce
Structures and processes for packaging produce in a manner that resists contamination due to dust, debris, and sunlight. According to certain embodiments of the present invention, fresh produce may be placed in a produce container having tabs extending from the top ...
06/12/2007
7140493Tongue lock for stackable containers
A substantially flat and planar dust cover has at least one opening formed through it near at least one edge for receiving a stacking tab on an open-topped container when the dust cover is applied to the container. A narrow strip of material is defined between the o...
11/28/2006
7124890Case ready stackable tray designs
A shipping system for packing and transporting products, such as case ready food items, in which the products require a certain amount of separation between layers. The shipping system comprises a shipping unit, formed by at least one substantially open-topped tray,...
10/24/2006
7003855Collapsible cardboard cremation casket
A collapsible cremation casket is formed of cardboard and has the appearance of a typical wood or plastic casket. The casket is assembled by folding along pre-scored lines to form a two-piece domed lid having a plurality of slots on the bottom and a set of slots in ...
02/28/2006
6935503Self-telescoping storage enclosure
A self-telescoping storage enclosure comprises a first tray that includes a bottom wall, and a major wall, a minor wall, a right wall, a left wall extending up from the bottom wall. The major wall and the minor wall each having an outer surface. The left wall and th...
08/30/2005
6702179Paperboard box
A paperboard box is made of a piece of paperboard with split lines and folding lines to form a shape like a boat so as to make the food or the like inside worthwhile and enhance the purchase desire of the consumer. Further, the paperboard box is easy to b...
03/09/2004
6607089Flat collapsible cover for a produce container
A plastic cover for a produce container which when laid out is flat. The cover is collapsible and has a plurality of ventilators. Each ventilator has a ventilator flap and a corresponding ventilator aperture. The cover has a plurality of container binding...
08/19/2003
6354487Stackable covered tray
A combined stacking tab is provided for use with a container having a containment portion and a lid. The containment portion includes a lateral panel and an upright wall. The upright wall includes an upper edge with a stacking tab. The lid also includes a...
03/12/2002
6253952Closure means for packaging boxes
A packaging box has a box with at least a pair of parallel sidewalls having an upper profile with a longitudinal recess that contains two or more fixing tabs and a cover with a cover area of the shape and size of the box and at least two cover flaps havin...
07/03/2001
6105855Self locking paperboard lid
A releasable locking lid formed from a planar blank of paperboard material which is adapted to fit a locking style box and which can be formed using automated paperboard folding equipment. Fold lines are provided in selected locations in the paperboard bl...
08/22/2000
5938110Modular interlockable packaging
The present invention relates to a modular food package particularly suitable for use in the fast food industry, and more particularly to a modular package that can be used as a stand alone, open ended, scoop type, package suitable for containing food ite...
08/17/1999
5711476Carton for granular materials
Disclosed is a carton for containing granular materials comprising a box having front, back and side panels to form an opening and a lid attached to an upper portion of the back panel for closing the opening. The lid comprises (a) a top panel for covering...
01/27/1998
5577659Locking feature for container
A removable locking feature for joining two members together has a locking strap cut from an upper member with a plurality of parts separated by hinges. A lower member has a slot structure locking tab through which the locking strap will pass for locking....
11/26/1996
5518172Cardboard carton for granular materials
A cardboard carton for granules includes a lid having a locking recess. The carton also includes a downwardly folded tab which cooperates with the locking recess on the lid to retain the lid closed. The locking tongue is formed by forming a slit in a face...
05/21/1996
5467916Paperboard box with locking tab
A collapsible container is fashioned from a unitary blank of paperboard. The container is in the general form of a lower and truncated tray having a top closure lid hingedly secured to the top of the rear wall of the tray. After glueing of the lower tray,...
11/21/1995
5427308Container with integral handles and locking tabs
Containers having a container carrying body (30) and a removable lid (29) portion, both formed of thin light weight sheet material, and including a combined latching (13) and handle (9) system carried by the container carrying body (30). The handles (9) a...
06/27/1995
5390847Fruit and produce container
An improved fruit and product container has a bottom and two side walls formed of a common piece of corrugated cardboard and two end walls formed of laminated paperboard attached to the bottom and side walls so as to define a box. The two laminated paperb...
02/21/1995
5226587Food carton
A carton including a hexagonal tray with a complementary hexagonal cover integrally hinged thereto for closing thereover. A dual locking system between the tray and cover includes projecting locking lugs coplanar with the front wall of the tray and extend...
07/13/1993
5199634Storage container with disposable lid
An interlocking container and lid combination is disclosed for storage of bottles and the like. The interlocking combination includes a reusable rectangular container provided with an integral lip along the upper edge of the container sides. A flap integr...
04/06/1993
5160081Locking trays
A tray formed from a unitary paperboard blank. The tray has a locking tab at each corner, each latching tab projecting beyond the next adjacent tray wall. Two such trays may be latched together to form a closed container. The tray structure is such that t...
11/03/1992
5060851Interlocking container for carry-out food products
A container having a first piece and a complementary second piece closable over the first is disclosed. Each container piece has a bottom wall and sidewalls having central portions which are connected to the bottom wall. Each of a first pair of opposite s...
10/29/1991
5044549Clamshell type carton
A clamshell carton formed from two integral blanks of sheet material. The front wall of the upper clamshell carries a latching aperture. The front wall of the lower clamshell half carriers a latch release panel, the latter carrying a horizontally despaire...
09/03/1991
5037026Closable carton with improved snap action lock
A carton erected from carton material in cut and scored blank form, the carton comprising a lower tray structure comprising a bottom wall having flap connected tray side walls folded upwardly from the bottom wall, and an easy-open easy-close cover structu...
08/06/1991
4995557Eat-in/carryout pizza box
A food package particularly adapted for packaging food products for eat-in or carryout service is prepared from a pair of combination tray/cover components made from identical blanks of paperboard or the like. Each tray/cover component comprises a base pa...
02/26/1991
4976353Pallet box container
The invention discloses the provision of a container securable to a pallet to prevent the container or other goods to be carried from becoming dislodged from the pallet in transit. The invention provides a container having a base and side walls a pluralit...
12/11/1990
49602382-piece pizza box with cut-out corners
A two piece container including a tray piece for holding an item and a cover piece adapted to telescopically fit over the tray is disclosed. Each container piece has a first wall and sidewalls which extend from and taper outwardly from the first wall. The...
10/02/1990
4930681Automatic latching container having good thermal insulation
A container which can be constructed in one-piece or in two pieces. The container is preferably of corrugated paper-like material and is preferably of the "E-flute" type of corrugated material. The container includes a body member or body portion and a co...
06/05/1990
4877178Paperboard foldable carton
A carton having a tray and cover locked in closed position by means of a pair of detents extending forwardly and above the front wall of the tray. The detents are of double thickness being formed by overlapped extensions of the glue flaps and side walls o...
10/31/1989
4856707Container for food products
A container suitable for packaging food items such as hamburgers or fried chicken is disclosed. The container includes two complementary container pieces, namely a tray and a cover closable over the tray. Each piece has opposing sidewalls provided with ti...
08/15/1989
4819862Disposable plate lid and food container including same
A foldable, resilient plate lid of paperboard or the like, having a central panel surrounded by four side panels glued together at overlapping end flap portions to form a continuous skirt which, when open, flares obliquely downwardly from the central pane...
04/11/1989
4804137Food container
Disclosed is a container for packaging foods and particular frozen foods. The container includes a bottom tray and a like tray which has been inverted and turned 90 degrees to form a lid or cover for the bottom tray. The tray is formed from a thermoplastic coa...
02/14/1989
4793546Box
An eight-sided box having uninterrupted top and bottom walls, which can be inexpensively manufactured as a single sheet of corrugaed cardboard and shipped in a flattened, knock-down configuration with the manufacturer's joint formed, and which can be quic...
12/27/1988
4784315Two piece sliding carton
A two-part sliding carton has a base part having generally the shape of a box with a rectangular cross-section open at the top. The base part has a bottom panel on which said base part normally rests and a rear panel with a generally horizontal hinge slit...
11/15/1988
4742953Hinged cover carton with inboard locking extensions
A carton molded from plastic resin has regions between the cells which extend upwardly and terminate at a top edge. The regions form a recess having a top which is a locking extension corresponding to each locking aperture in the cover. The edge of the lo...
05/10/1988
4637544Process for the manufacture of boxes, the boxes which result therefrom and the elements for their composition
A process for the manufacture of boxes, wherein a sheet material, such as cardboard, is punched to produce a box element with at least five sections limited by parallel score lines; the ends of at least three sections are inserted and fastened in U-groove...
01/20/1987
4470538Carton with common tray-cover components
A folding carton formed of a pair of identical, nestable, hingeable, interlockable, tray-like body-cover components....
09/11/1984
4339036Container venting arrangement
A venting arrangement for a container having telescoping tray and cover members with aligned openings. The tray member includes a pair of lock tabs formed in a side wall and adapted for movement outwardly from the plane thereof to provide vent openings th...
07/13/1982
4258875Container assembly for ice-cream products
A knock-down container assembly for packaging and containing ice-cream products wherein an articulated carton portion co-operates with an articulated cover portion through closure features which effectively lock the cover portion in place on top of the ca...
03/31/1981
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