US 12,263,508 B2
Spray wand
Kevin Andrew Kavchok, Charlotte, NC (US); Matthew Michael Petkus, Memphis, TN (US); Alana Byrd, Memphis, TN (US); and Rachel Ann Farmer, Memphis, TN (US)
Assigned to W.M. BARR & COMPANY, INC., Memphis, TN (US)
Filed by W.M. BARR & COMPANY, INC., Memphis, TN (US)
Filed on Oct. 31, 2023, as Appl. No. 18/385,620.
Application 18/385,620 is a continuation of application No. 17/354,783, filed on Jun. 22, 2021, granted, now 11,833,553.
Application 17/354,783 is a continuation in part of application No. 17/124,186, filed on Dec. 16, 2020, granted, now 11,679,404, issued on Jun. 20, 2023.
Claims priority of provisional application 63/108,597, filed on Nov. 2, 2020.
Claims priority of provisional application 62/951,376, filed on Dec. 20, 2019.
Prior Publication US 2024/0058846 A1, Feb. 22, 2024
Int. Cl. B08B 3/08 (2006.01); B05B 7/04 (2006.01); B08B 3/02 (2006.01)
CPC B08B 3/08 (2013.01) [B05B 7/04 (2013.01); B08B 3/026 (2013.01); B08B 2203/0217 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A spray wand comprising:
a spray wand body having a hollow tube with a wand spray end,
a refill cartridge assembly for insertion into the hollow tube, wherein the spray wand body is configured for receiving the refill cartridge assembly inside of the spray wand body, wherein the refill cartridge has one or more channels running along a length of the refill cartridge,
a wand hose end having a handle connected to the spray wand body, wherein the refill cartridge assembly is comprised of a refill cartridge having a distal end and a proximal end and at least one nub within the refill cartridge at the proximal end, and
a swirl chamber attached to the at least one nub on the proximal end of the refill cartridge, wherein the swirl chamber is configured to convert a single stream into several streams.