[go: up one dir, main page]

USD236978S - Switching educational board - Google Patents

Switching educational board Download PDF

Info

Publication number
USD236978S
USD236978S US D236978 S USD236978 S US D236978S
Authority
US
United States
Prior art keywords
switching
educational board
educational
board
stamford
Prior art date
Application number
Inventor
Charles G. Valentine
Filing date
Publication date

Links

Images

Description

' Des. 236,978
Patented Sept. 30, 1975 SWITCHING EDUCATIONAL BOARD Charles G. Valentine, Stamford, Conn., ssignor to Xerox Corporation, Stamford, nn.
Filed Apr. 27, 1973, Ser. No. 355,222
Term of patent 14 years Int. Cl. Dl907 U.S. Cl. Dl9--62 "as ass eases Des. 236,978 Page 2 of 2 FIG. 1 is a left perspective view of a switching educational board showing my new design; and
FIG. 2 is a right perspective view thereof. The rear of the switching educational board not shown is plain and unornamented.
I claim: The ornamental design of a switching educational board, substantially as shown and described.
References Cited UNITED STATES PATENTS 12/1938 Stern 3519 A JOEL STEARMAN, Primary Examiner C. A. RADEMAKER, Assistant Examiner 3/1958 Kruse 3/1959 Eisenberg

Family

ID=

Similar Documents

Publication Publication Date Title
USD236978S (en) Switching educational board
USD235441S (en) Basic measurement educational board
USD237880S (en) Basic hand tool educational board
USD237878S (en) Multi-meter educational board
USD240590S (en)
USD237879S (en) Magnetism and induction educational board
USD228398S (en) Toy vehicle
USD235767S (en) Album cover or the like
USD202704S (en) Training computer
USD232872S (en) Box for bingo accessories
USD234479S (en) Page x
USD235716S (en) Chest
USD240618S (en)
USD240819S (en)
USD218134S (en) Wig case
USD234965S (en) Toy house boat
USD233715S (en) Chair
USD235240S (en) Picture frame
USD240192S (en)
USD230910S (en) viiixviii
USD219608S (en) Toy vehicle
USD230548S (en) Back-lighted display frame
USD225654S (en) Helicopter toy
USD229442S (en) Phonograph console
USD237916S (en) Collapsible chair