US 11,890,551 B2
Movable Puzzle PlatformGeneral
US 11,890,551 B2
Movable Puzzle Platform
Tech Center:
3600 Transportation, Construction, Electronic Commerce, Agriculture, National Security and License and Review
Examiner:
DANIEL J ROHRHOFF
Art Unit:
3637 Static Structures, Supports and Furniture
Agent:
--
Inventors:
Xiaoling CHE
Assignee:
--
Priority:
10/19/21
Filed:
10/19/21
Granted:
02/06/24
Expiration:
10/19/41
Cooperative Patent Classification (CPC)
A47A47B83/045A47BA63F2003/00952A63F