US 11,882,949 B2
Frame apparatus
Matthew Scott Kressin, Allentown, PA (US); Changhong Huang, Nanjing (CN); Brad William Huff, Nazareth, PA (US); and Weisha Yu, Belvidere, NJ (US)
Assigned to MCS Industries, Inc.
Filed by MCS Industries, Inc., Easton, PA (US)
Filed on Jun. 2, 2021, as Appl. No. 17/336,933.
Application 17/336,933 is a continuation in part of application No. 17/075,791, filed on Oct. 21, 2020, granted, now 11,517,130.
Application 17/075,791 is a continuation of application No. 16/454,320, filed on Jun. 27, 2019, granted, now 10,842,298, issued on Nov. 24, 2020.
Application 16/454,320 is a continuation of application No. 15/948,025, filed on Apr. 9, 2018, granted, now 10,376,077, issued on Aug. 13, 2019.
Application 15/948,025 is a continuation of application No. 15/155,984, filed on May 16, 2016, granted, now 9,962,018, issued on May 8, 2018.
Claims priority of provisional application 62/200,184, filed on Aug. 3, 2015.
Prior Publication US 2021/0282573 A1, Sep. 16, 2021
Int. Cl. G09F 1/06 (2006.01); A47G 1/06 (2006.01)
CPC A47G 1/06 (2013.01) [A47G 1/0605 (2013.01); A47G 2001/0677 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A frame apparatus comprising:
an annular display frame comprising:
a longitudinal axis;
an outer wall having an outer surface that defines a periphery of the annular display frame and an inner surface; and
a rabbet comprising a floor and a wall, the wall of the rabbet spaced apart from the inner surface of the outer wall to define a channel between the wall of the rabbet and the outer wall, the wall of the rabbet comprising an opening that provides a passageway into the channel;
a stack positioned in the rabbet; and
a spacer apparatus positioned in the rabbet and detachably coupled to the annular display frame to retain the stack in the rabbet, the spacer apparatus comprising a first engagement feature that nests within at least one of the opening or the channel on a first side of the longitudinal axis and a second engagement feature that nests within at least one of the opening or the channel on a second side of the longitudinal axis;
wherein the spacer apparatus comprises a first side portion, a second side portion opposite the first side portion, a third side portion extending between the first and second side portions, and a fourth side portion extending between the first and second side portions, the fourth side portion being opposite the third side portion, and wherein the first engagement feature is located along the first side portion of the spacer apparatus and the second engagement feature is located along the second side portion of the spacer apparatus; and
further comprising a third engagement feature located along the third side portion of the spacer apparatus and a fourth engagement feature located along the fourth side portion of the spacer apparatus, the first and third engagement features being identical, and the second and fourth engagement features being identical, at least a portion of the first and third engagement features being structurally different than the second and fourth engagement features.