Quick load air gun
Patent 6631531 Issued on October 14, 2003. Estimated Expiration Date: 
November 16, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 16, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSpheroid pig launcher Pneumatic gun Pneumatic gun and projectiles therefor Interlocking multipurpose airtool Patent #: 5974611 InventorAssigneeApplicationNo. 09/715827 filed on 11/16/2000US Classes:15/3.5, With means to pass a solid cleaning agent and a fluid carrier through tubular work15/104.062Cleaner plug insertion or removal deviceExaminersPrimary: Snider, Theresa T.Attorney, Agent or FirmInternational ClassesB08B 9/02 (20060101)B08B 9/04 (20060101) AbstractA quick load air gun for cleaning conduits by propelling a foam projectile through the conduit by means of a compressed air charge. The air gun includes a quick load port for inserting projectiles into the gun chamber, and a compressed air circuit including an air control valve operated by a trigger for admitting a compressed air charge into the chamber, and for venting the chamber to ambiance on release of the trigger. | |
