Was mine as a child. Item is in good working condition. It bears minor, age-appropriate patina.
See the photos for more details. Regarding the patent number history..
2,614,551 to Shelton (1952) describes several configurations of a toy vortex gun, generally consisting of a flexible or rigid diaphragm and mechanisms for displacing it to shoot a burst of air through a circular aperture. A Wham-O Air Blaster was featured in the infamous 1964 film. Santa Claus Conquers the Martians. As a freeze ray gun used by one of the Martians. The item "Wham-O Air Blaster Ray Gun Pat# 2,614,551, One-owner, good working condition" is in sale since Wednesday, August 5, 2020.
This item is in the category "Toys & Hobbies\Vintage & Antique Toys\Other Vintage & Antique Toys". The seller is "pohocker" and is located in Bishopville, Maryland. This item can be shipped to United States.