US 12,252,337 B2
Locking device for waste container and methods
James L. Martin, II, Gambrills, MD (US); and David L. Reeb, Sykesville, MD (US)
Assigned to Serio-Us Industries, Inc., Baltimore, MD (US)
Filed by SERIO—US INDUSTRIES, INC., Baltimore, MD (US)
Filed on Sep. 5, 2023, as Appl. No. 18/242,402.
Application 18/242,402 is a continuation of application No. 17/189,609, filed on Mar. 2, 2021, granted, now 11,745,942.
Claims priority of provisional application 62/984,164, filed on Mar. 2, 2020.
Prior Publication US 2023/0406617 A1, Dec. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B65F 1/16 (2006.01); E05C 3/12 (2006.01)
CPC B65F 1/1615 (2013.01) [E05C 3/12 (2013.01); E05C 2003/128 (2013.01); E05Y 2201/46 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A locking device, comprising:
a. a sliding block slidable between a locked position and an open position, and comprises a hollow containing a first weight rollable within the hollow; and
b. a second weight detachably attached to a magnet, when detached from the magnet, the second weight pivots to a blocking position blocking the sliding block from sliding to an open position.