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Class Information
Number: 273/157A
Name: Amusement devices: games > Puzzles > Take-aparts and put-togethers > Geometrical figures, pictures, and maps > Transparent overlay
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6692001 |
Multi-layered decorative puzzle apparatus |
Feb. 17, 2004 |
| 6663732 |
Process for making an individualized puzzle collage |
Dec. 16, 2003 |
| 6634644 |
Concealment-type word puzzle/game |
Oct. 21, 2003 |
| 6398643 |
Promotional gaming device |
Jun. 4, 2002 |
| 6361045 |
Puzzles with pressure-sensitive stick-on pieces |
Mar. 26, 2002 |
| 6336631 |
Two-sided puzzle |
Jan. 8, 2002 |
| 6186504 |
Color-change puzzle game |
Feb. 13, 2001 |
| 5823532 |
Window puzzle |
Oct. 20, 1998 |
| 5769418 |
Transparent puzzle having at least two image planes |
Jun. 23, 1998 |
| 5715316 |
Optical image encryption and decryption processes |
Feb. 3, 1998 |
| 5636840 |
Occult device |
Jun. 10, 1997 |
| 5577728 |
Jigsaw puzzle |
Nov. 26, 1996 |
| 5299805 |
Multilayer puzzle |
Apr. 5, 1994 |
| 5217226 |
Three-dimensional model atmosphere puzzle |
Jun. 8, 1993 |
| 5156698 |
Integral packaging for puzzle postcard and other products and method of making |
Oct. 20, 1992 |
| 5037110 |
Geometric card game |
Aug. 6, 1991 |
| 4884811 |
Puzzle apparatus |
Dec. 5, 1989 |
| 4815742 |
Multi-layered puzzle |
Mar. 28, 1989 |
| 4799680 |
Transparent puzzle |
Jan. 24, 1989 |
| 4781381 |
Stacked sheets with code bits forming composite image |
Nov. 1, 1988 |
| 4605231 |
Light transmission puzzle game |
Aug. 12, 1986 |
| 4491326 |
Puzzle having polarized stackable components |
Jan. 1, 1985 |
| 4430824 |
Composite-picture forming play kit |
Feb. 14, 1984 |
| 4402510 |
Puzzle toy |
Sep. 6, 1983 |
| 4362301 |
Multiple image visual puzzle and method |
Dec. 7, 1982 |
| 4257609 |
Games and puzzles |
Mar. 24, 1981 |
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