Us patent dating pisces guide to dating

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For the above purposes it is conventional to stop the conveyor and replace the dating wheel.

During a work day the stoppage results in a substantial reduction in production.

The filing date issued by the USPTO on a patent application is of critical importance to an inventor or patent owner because it determines who has priority over the right to file a patent application for an invention.

For example, many European countries, and more recently, the US, have first-to-file patent systems.

HENRY PACKAGING WITH CODE DATING Filed June 5, 1967 YDRAUUC CYU N DEQ ENERGY SOURCE OVEQ um may: HEAT g] BASE SHEET A/a sow E. For example, food products, such as potato chips, must be code dated so that they can be monitored on the supermarket shelf to insure freshness, and, similarly, individually packaged medicines and films must be code dated to enable the same to be monitored to make certain that the product is used within the prescribed period when it retains its full effectiveness.

In the packaging industry it is necessary, when operating on products or goods subject to spoilage or expiration, to make notation on the packages containing the products indicating certain information, which usually consists of the time and location where the package was filled or the expiration date of the product.

To change the tracer symbol, the operator simply uses thumb and forefinger to grasp the unit and extract same and then replace with an identical unit having a different symbol. In a rotary dating wheel including a main frame for mounting the wheel for rotation and removably supporting a stack of type-rings for removably supporting dating type thereon for printing dating symbols, the improvement comprising: a vertically extending key-way formed in said frame; a plurality of openings respectively formed in said type-rings, each type-ring having a pair of opposite edges forming its opening and the corresponding edges on one side of the type-rings being in substantial vertical alignment and the corresponding edges on the opposite side also being in substantial vertical alignment, said opposite edges and said main frame forming a channel; a carrier slidably mounted in said channel and having a key in said key-way for maintaining the carrier in the channel and providing for the carrier to be manually moved into and out of the channel; a plurality of segments of type-rings stacked on said carrier and extending between said opposite edges, the segments being for use in supporting type having a tracer symbol thereon to print a tracer symbol in conjunction with the printing of the dating symbols by said dating type; alignment means on said carrier for removably maintaining said segments in stacked condition on the carrier; clamp means on the carrier for clamping said segments in position; and lift means on said carrier to be grasped by the fingers of an operator for moving the carrier and a tracer symbol thereon in and out of said channel. In a rotary dating wheel including a main frame for mounting the wheel for rotation and removably supporting a stack of type-rings for removably supporting dating type thereon for printing dating symbols, the improvement comprising: a plurality of openings respectively formed in said type-rings, each type-ring having have a pair of opposite edges forming its opening and the corresponding edges on one side of the type-rings being in substantial vertical alignment and the corresponding edges on the opposite side also being in substantial vertical alignment, said opposite edges and said main frame forming a channel, a carrier slidably mounted in said channel between said opposite edges; means connecting the carrier to the main frame for maintaining the carrier in the channel and providing for the carrier to be manually moved in and out of the channel; a plurality of segments of type-rings stacked on said carrier and extending between said opposite edges, the segments being for use in supporting type having a tracer symbol thereon to print a tracer symbol in conjunction with the printing of the dating symbols by said dating type; mechanism on said carrier to removably retain said segments on the carrier; and lift means on said carrier to be grasped by the fingers of an operator for moving the carrier and a tracer symbol thereon in and out of said channel.Located on one side of the stem, and towards the bottom, you will find a line of molded type that will say either "U. Patent #X, XXX, XXX", or European Patent "DBP 818,829" (Deutsches Bundes Patent), or the words "BOX Patent".The "BOX Patent" marking is the oldest *patent* found on a PEZ dispenser.This marking can only be found on original regulars.It is my opinion that in reality this marking is more equivalent to "Patent Pending".

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