US 11,930,978 B2
All surface cleanroom mop
Ferdinand Frederick Pisacane, San Diego, CA (US)
Assigned to Foamtec International Co., Ltd., Waco, TX (US)
Filed by Foamtec International Co., Ltd., Waco, TX (US)
Filed on Nov. 13, 2020, as Appl. No. 17/097,694.
Application 17/097,694 is a continuation of application No. 16/376,469, filed on Apr. 5, 2019, granted, now 11,033,168.
Application 16/376,469 is a continuation of application No. 14/469,845, filed on Aug. 27, 2014, granted, now 10,682,033, issued on Jun. 16, 2020.
Application 14/469,845 is a continuation of application No. 13/341,954, filed on Dec. 31, 2011, granted, now 8,844,089, issued on Sep. 30, 2014.
Claims priority of provisional application 61/429,031, filed on Dec. 31, 2010.
Prior Publication US 2021/0059496 A1, Mar. 4, 2021
Int. Cl. A47L 13/20 (2006.01); A47L 13/24 (2006.01); A47L 13/256 (2006.01); A47L 13/44 (2006.01)
CPC A47L 13/20 (2013.01) [A47L 13/24 (2013.01); A47L 13/256 (2013.01); A47L 13/44 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A clean room mop comprising:
a mop head frame having a top, a bottom, and at least one opening located on the top of the mop head frame;
a mop head having a generally rectangular shape with two opposing short sides and two opposing long sides wherein ends of the two opposing long sides located nearest to the two opposing short sides are secured to one another by lamination along a portion of their lengths while the two opposing short sides each remain unsecured along their entire lengths to form opposite open ends of the mop head.