Card – picture – or sign exhibiting – Calendars
Reexamination Certificate
2000-06-20
2001-12-04
Davis, Cassandra H. (Department: 3628)
Card, picture, or sign exhibiting
Calendars
C040S124070, C040S594000, C221S210000, C283S002000
Reexamination Certificate
active
06324777
ABSTRACT:
FIELD OF THE INVENTION
This invention pertains to calendars and the like in which the top cover carries an electrostatic charge which will pick up the underlying sheet and lift it from the successor sheets when the top cover is swung upwardly for viewing of the underside of the underlying sheet.
BACKGROUND OF THE INVENTION
Richardson U.S. Pat. No. 2,032,150 discloses means for lifting sheet material from a stack or pile by a top sheet having an adhesive thereon. When the top sheet is swung upwardly, the underlying sheet adheres to the top sheet and is picked up thereby.
Clough U.S. Pat. No. 5,848,316 shows the idea of providing an electrostatic charge to a strip of material for removing a second strip by electrostatic attraction.
Underdahl U.S. Pat. No. 4,285,114 shows a device for picking up discs using electrostatic means in which an applicator 10 is placed down on a stack to remove a member from the stack.
Weiss U.S. Pat. No. 3,883,971 discloses a-year-at-a-glance memo calendar with a top member, which when lifted, exposes calendars underneath automatically due to the accordion affect. Kim U.S. Pat. No. 5,123,191 shows a calendar display plastic holder of transparent vinyl material in which a calendar is inserted. Since the corners of the calendar are locked in pockets, the vinyl cover cannot lift the pages of the calendar.
OBJECTS AND SUMMARY OF THE INVENTION
It is an object of this invention to provide a calendar pad or the like in which the top cover is transparent and statically clings to the first undersheet so that the undersheet will cling to the cover when it is swung upwardly to view the underside of the sheet.
Another object of this invention is to provide a calendar, pad or the like which is inexpensive to manufacture and is pleasing to the eye.
A further object of this invention is to provide a calendar pad or the like which has indicia on the both the front and back of the sheets and which calendar pad or the like is provided with means for lifting the top sheet to expose the underside thereof so that the indicia can be viewed readily.
Yet another object of this present invention is to provide a calendar or pad or the like which is inexpensive to manufacture.
A further object of this invention is to provide a calendar or pad or the like which provides indicia on the cover sheet which will overlie a blank on the undersheet so that in printing, the cover sheet can be separately printed with the advertisers name and address without having to print the same on each individual sheet of the calendar.
In summary, this invention relates to a calendar or pad or the like in which electrostatic means is used to raise the top sheet of the calendar or pad or the like so that the underside of the top sheet of the pad or the like can be readily viewed due to the swinging action of the cover which is hingedly connected to the sheets.
These and other objects of the invention will be apparent from a study of the following description including the drawings in which:
REFERENCES:
patent: 2032150 (1936-02-01), Richardson
patent: 3883971 (1975-05-01), Weiss
patent: 4285114 (1981-08-01), Underdahl
patent: 5010671 (1991-04-01), Stonehouse
patent: 5123191 (1992-06-01), Kim
patent: 5848316 (1998-12-01), Clough
Davis Cassandra H.
Shlesinger & Arkwright & Garvey LLP
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