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US 4,005,976 AGranted
Rodent exterminator
OwnerJames L. Rombach, David W. Strebelinventors
Life of this patent
Estimating the term…
Abstract
A gas fired apparatus discharging a mixed gas-air flow through a barrel into a confined area such as a rodent burrow. An igniter in said barrel ignites the gas-air mixture. A control assembly includes closely coupled gas and ignition controls enabling one hand operation. An extensible, ground engaging support positions the apparatus in an inclined manner for barrel penetration of a burrow opening. A valve in said barrel regulates gas-air mixing.
Claims6
A portable apparatus for discharging and igniting a quantity of flammable gas within a closed area, said apparatus comprising,
- a frame including a support for ground engagement,
- a barrel including nozzle means for discharge of the flammable gas, said barrel including adjustable means regulating the intake of ambient air into the barrel for mixing with the gas,
- an igniter mounted within said barrel,
- a gas control valve mounted on said frame,
- a switch means mounted on said framework closing an electrical circuit to an ignition system serving said igniter means for ignition of the discharged gas.
2 more elements
Dependencies are inferred from the claim text.