US 12,008,870 B2
Electronic gaming machine having a reel assembly and method of making reel strips
Lauren Hillstrom, Reno, NV (US); Gary Sanchez, Reno, NV (US); Anton Walker, Reno, NV (US); and Kyle Rothchild, Carson City, NV (US)
Assigned to IGT, Las Vegas, NV (US)
Filed by IGT, Las Vegas, NV (US)
Filed on Nov. 9, 2021, as Appl. No. 17/454,135.
Application 17/454,135 is a continuation of application No. 16/287,582, filed on Feb. 27, 2019, granted, now 11,183,032.
Prior Publication US 2022/0058919 A1, Feb. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G07F 17/34 (2006.01); B41M 5/00 (2006.01); G07F 17/32 (2006.01)
CPC G07F 17/34 (2013.01) [B41M 5/0088 (2013.01); G07F 17/3216 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic gaming machine comprising:
a housing;
a reel assembly supported by the housing, the reel assembly comprising a physical reel comprising a reel strip, the reel strip comprising:
an elongated strip comprising a front side and a back side,
a first layer comprising a coat of a first color on the back side of the elongated strip,
a second layer comprising a coat of a second color on a back side of the first layer and at an area of a hidden symbol of the reel strip, and
a third layer comprising a coat of the first color on a back side of the second layer at the area of the hidden symbol; and
back lighting supported by the housing and configured to selectively illuminate the hidden symbol to make the hidden symbol visible to a player at a first time and to make the hidden symbol not visible to the player at a subsequent second time.