Surprise calendars
United States Patent 2914871
US Patent References:
/0860357.html
- - 0860357

/1230242.html
- - 1230242

Calendar
- - 1906261

Pictorial display device
- - 2440062


Inventors:
Paul, Smith
Smith, Arthur J.
Publication Date:
12/01/1959
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Assignee:
Paul, Smith
Smith, Arthur J.
Primary Class:
40/107
Other Classes:
D19/24, 74/5R
International Classes:
G09D3/00