Claims
- 1. A contest card for temporarily and completely concealing the presence, absence, position or nature of indicia printed on said card comprising a smooth surface card stock material having an upper surface and a lower surface, a patterned irregular layer of material printed on the upper surface of said card stock material, indicia printed on said patterned irregular layer, and a sectionally removable mask overlying said indicia, said mask being opaque with respect to visual examination but being sufficiently transparent with respect to photocopy examination to permit copying of information printed below the mask.
Parent Case Info
This is a continuation of application Ser. No. 856,748, filed Dec. 12, 1977, now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3055117 |
Bernstein et al. |
Sep 1962 |
|
4025673 |
Reinnagel |
May 1977 |
|
4095824 |
Bachman |
Jun 1978 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
1382922 |
Feb 1975 |
GBX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
856748 |
Dec 1977 |
|