U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.

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Norton, Donald F.


Primary examiner statistics: 1511 patents; average approval time: 531 days
Assistant examiner statistics: 0 patents; average approval time: 0 days

Patents as Primary Examiner

1                      
NumberTitleIssue Date
5012940Closure with originality guarantee
An originality guarantee for closures of containers, particularly bottles. It has a label (12) which, after it has been removed or damaged, indicates that the closure has been opened. The closure portions (4,6) which are to be moved apart when it is opene...
05/07/1991
5012941Tamper-proof container and cap assembly
A tamper-proof container and cap assembly includes apertured flanges disposed on the container and cap, the apertures of which become substantially aligned when the cap is inserted onto the container. Integrally molded with one of the flanges is a locking...
05/07/1991
4978016Tamper indicating closure having retaining hoop with relief windows
A closure for a container has a tamper indicating band with band retaining means in the form of a conical hoop. The hoop is hinged to the band by arcuate hinges which are spaced by narrower windows along the hinge line, the windows extending partway towar...
12/18/1990
4978017Tamper-indicating plastic closure
A tamper-indicating plastic closure is disclosed, with the closure configured for interfering coaction with an associated container. The closure includes a plastic cap having a top wall portion and an internally threaded annular skirt portion, with an ann...
12/18/1990
4976364Cap and straw assembly for a water bottle
An improved cap and straw assembly for use with a water bottle or the like, wherein a bottle cap of the type having a poppet valve is equipped with a drinking straw for facilitated dispensing or drinking of a beverage from the bottle. The poppet valve inc...
12/11/1990
4971212Tamper indicating packages
A tamper indicating package comprising a container having a finish with external threads thereon and a plastic closure comprising a base wall and a peripheral skirt. The closure has a tamper indicating band connected to the skirt along a weakened line and...
11/20/1990
4967920Partial tamper band
This relates to a closure for containers wherein the closure is provided with a tamper indicating member. However, in lieu of the tamper indicating member being in the form of a continuous band which remains on the container neck after the closure is remo...
11/06/1990
4967919Blood collection tube safety cap
A blood collection assembly is provided for blood collection tubes, and more particularly for evacuated blood collection tubes, whereby the potential exposure of laboratory technicians or hospital personnel to potentially infectious blood specimens is red...
11/06/1990
4967922Containers and caps therefor
A cap 6 has an outlet 8 and an air bleed valve 10 including a non return valve 18. The non return valve is isolated from the hydrostatic pressure which would prevent it opening, by a housing 12 and a breather tube 13....
11/06/1990
4967921Container with closure
A container having a base connected to sidewalls which extend to a neck which is substantially elliptical in shape which is surmounted by a rim which forms a substantially elliptical shape, wherein the neck and rim define a container opening which is subs...
11/06/1990
4961511End closure for a packaging container
A closure or closure element manufactured by injection moulding and provided with an easy opening device having a pull-ring and a tearing strip emerging therefrom. The tearing strip forms and defines a region which is concave. A recess is arranged cross-w...
10/09/1990
4960217Balloon-type bottle sealer
A bottle sealer includes a telescopic expansible hollow extension of a balloon shape formed on a disk portion of the sealer sealed in a bottleneck, and in fluid communication with a liquid filled in a bottle so that when the bottle filled with a liquid or...
10/02/1990
4955500Sealing groove cover
A sealing groove cover for a cylindrical fluid container includes a circular body, a circular outer sealing member, a circular inner sealing member and a circular male element. The outer sealing member is coupled to the circular body along its outer perim...
09/11/1990
4953731Keyless locking apparatus for selectively securing a lid to a box
A locking apparatus for selectively securing a lid to a box having one or more posts depending from the lid and engageable in mating vertical bores formed in the walls of the box, elongated locking members mounted for both axial and rotational adjustment ...
09/04/1990
4951845Closure with filter
An enteral delivery universal port assembly fabricated from a first portion and a second portion of different materials. The first portion has a generally cylindrical side wall, an annular top surface and a corresponding annular bottom surface. The second...
08/28/1990
4951829Easy opening crown cap
A crown cap for sealing bottles comprising a cap body including substantially a flat top, a crimped portion formed on the periphery of the cap body and an outwardly extending finger tab integrally connected to a part of the crimped portion and having a wi...
08/28/1990
4951830Snap-on closure with corking skirt
There is disclosed a snap-on closure which has upper and lower annular beads on the inside wall of a peripheral skirt with a tear band defined by at least one score line in the skirt, located between the annular beads. The closure has a center corking ski...
08/28/1990
4949866Refuse container cover
Disclosed is an improved cover or door for a bin type refuse container. In a preferred two-piece embodiment the invention comprises an upper member and a lower member joined together to form a generally unitary structure. A plurality of water channeling t...
08/21/1990
4949858Sample bottle and cap therefor
A sample collection container for use in receiving samples for analysis and testing of fluids from a sample valve forming part of a chemical process line. The container includes a closure element which selectively engages the sample valve during collectio...
08/21/1990
4948008Can end having a pull tab connected to a pull-up member which can be used as a plug
A can has two closed can ends, one of which is provided with a pull tab having a pull-up member connected to the pull tab. The pull tab can be torn away from the associated can end to form an opening by pulling up the pull-up member which is connected to ...
08/14/1990
4944426Closure device for a packaging container
An easy opening arrangement for a closure of a packaging container. The easy opening arrangement has a grip, preferably shaped as a ring, and from said grip there emanates tearing denotations in a removable part of the closure. Via a first connection port...
07/31/1990
4940154Liquid storage container with closure cap
A liquid storage container has a tubule (11) which is open at one end and which is closed in liquid-tight manner at the front end face by a closure (12) which can be removed and/or opened for the filling of liquid into the tubule and/or for the removal th...
07/10/1990
4938370Tamper-indicating plastic closure
A tamper-indicating plastic closure is disclosed, with the closure configured for interfering coaction with an associated container. The closure includes a plastic cap having a top wall portion and an internally threaded annular skirt portion, with an ann...
07/03/1990
4938375Drinking receptacle and ice trap
The Ice Trap comprises a trapping device and beverage cup combination, the trapping device having a plurality of openings, a conical shaped side section, a rim, compresssion gap, and compression tabs for inserting, locking in, and removing the device, and...
07/03/1990
4936475Threaded tamper indicating closure
A tamper indicating closure and closure-container package in which a tamper indicating skirt depends from the bottom of the annular wall of a standard threaded cap. The skirt includes a plurality of equally spaced depending ribs which are joined at their ...
06/26/1990
4934546Tamper evident cap having lift tab on bottom edge
A snap-on, tamper evident plastic cap for a plastic bottle neck has a skirt with upper and lower internal locking beads which lock under extenral beads on the neck. The cap is not removable so long as the skirt is intact. The lower end of the skirt, inclu...
06/19/1990
4934545Closure with microbial filter
A closure containing an internalized microbial filter for use in enteral delivery set assemblies. The closure comprises a generally cylindrical side wall, a planar top surface having first and second projections, the first projection being associated with...
06/19/1990
4932543Chambered bottle cap
A cork for a wine bottle is chambered to receive sediment when the bottle is inverted. A valve operable from the exterior of the cork can then be closed to trap the sediment within the cork. A resilient easily attached valve member ensures full closure, y...
06/12/1990
4930655Easy-open container with non-detachable closure
An easy-open beverage container with a non-detachable closure assembly includes a container body and integral end wall. In one embodiment, the end wall is formed to defined an opening through which the container contents can be dispensed and a threaded li...
06/05/1990
4923072Tube, stopper and compression ring for blood sampling systems
An evacuated blood collection tube has a stopper made of deformable synthetic rubber, incorporating a skirt fitting over the outer wall of the tube neck, and integral with the skirt a plug that penetrates the neck of the tube. The sealing function is perf...
05/08/1990
4923073Tamper-indicating plastic closure
A tamper-indicating plastic closure is shown which is configured for mechanical interference with the annular locking ring of an associated container. The closure includes a top wall portion and depending skirt portion, with a circular pilfer band at leas...
05/08/1990
4923085Container with pressure-release lid
A container lid engageable with the planar outer edge of a container mouth in overlying sealing relation to the mouth. The lid includes a depending peripheral sealing flange engaged with the container adjacent the mouth, and a top panel with a base surfac...
05/08/1990
4921121End closure for a packaging container
An end closure for a packaging container where the closure is of the basic type having a so called one step opening arrangement, i.e. where an outer layer and an inner layer are removed in unison or simultaneously by shaping the tearing denotations in a p...
05/01/1990
4919285Tamper evident closure and method of manufacture of the same
A tamper evident closure for use on a container neck, the closure including a cap and separately formed security device, connector means for attachment of the security device to the cap, the security device including anchor means disposed to catch beneath...
04/24/1990
4919288Hermetic seal device for glass jars
The device permits of compressing a rubber ring (4) between the mouth of a glass jar (1) and its glass lid (2), and comprises a collar (5) that is secured initially to the lid, whereupon the lid and collar are offered to the jar; a lip (6), integral with ...
04/24/1990
4917253Container-closure with fold over projections
A closure system for a container having a closure body with a hingedly connected closure lid. The closure body has an end wall and a cylindrical skirt with internal threads for screwing the closure system onto the container. The closure lid has at least o...
04/17/1990
4917244Library box closure device and hanger
A closure device for a library storage box combines a hanger with a locking device for the closed storage box. A hinge structure for the device provides a first hinge portion on the box, connected by a flexible hinge to a second hinge carrying the hanger ...
04/17/1990
4917259End closure for a packaging container
Through a centrally placed ingot there is formed an injection moulded cover or end closure for a packaging container comprising at least an outer layer and an easy opening device formed therein, the device having a grip and a tearing denotation starting t...
04/17/1990
4915243Resin-laminated rubber closure for a medical vial
A resin-laminated rubber closure for a medical vial is provided herein. This closure comprises an annular leg part to be inserted into the mouth of the vial, which leg part is notched or cut at least at one position and a flange part to be contacted with ...
04/10/1990
4915253Removable center-point compression sealing lid member
A center-point compression sealing lid member for use on containers of all sorts is described. The lid member is completely removable from the container. The lid member comprises a cover with a spacer positioned in its approximate center, a force transfer...
04/10/1990
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