Protected document and method of making same

Details Protected document and method of making same Protected document and method of making same

1977-05-18

1981-05-05

Bell, Paul A.

Printed matter

Calendar

283 58, 283 1R, 283 6, 355133, 428915, 428916, B42D 1500

Patent

active

042654696

ABSTRACT:
Disclosed is a protected document such as a negotiable instrument, a title instrument, indentification document or other documents which should be kept secure from illegal copying by color copiers. The method of making the document comprising preprinting a "VOID" or other warning or cancellation phrase pattern in half tone or multitone on the document and camouflaging this pattern is also disclosed.

REFERENCES:
patent: 776515 (1904-12-01), Ives
patent: 1002600 (1911-09-01), Morris et al.
patent: 1114346 (1914-10-01), Farmer
patent: 1428278 (1922-09-01), Dow
patent: 1689302 (1928-10-01), Smith
patent: 1692405 (1928-11-01), Freeman
patent: 3675948 (1972-07-01), Wicker
patent: 3852088 (1974-12-01), Godlewski et al.
patent: 3887742 (1975-06-01), Reinnagel
patent: 4025673 (1977-05-01), Reinnagel
Memo of the Xerox Corp. dated May 25, 1975 from R. F. Lehman to A. Morganstein.
Sample of "Kids Paper" mfg. by McGhee Printing Service of Stamford, Conn. & copyrighted by Niquette 1976.

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