Cutting torch and method
Patent 4371771 Issued on February 1, 1983. Estimated Expiration Date: 
November 10, 2000. 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 10, 2000. 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 References 1037979 2398427 2802930 3646306 Underwater cutting rod Underwater cutting rod Electrode for air-carbon arc cutting and gouging Patent #: 4201902 InventorsApplicationNo. 06/205540 filed on 11/10/1980US Classes:219/70, Hand-type tools219/60R, Electric arc431/255Having electric current producerExaminersPrimary: Goldberg, Elliot A.International ClassB23K 9/013 (20060101)AbstractA cutting torch and method for cutting or removing a material in which a high-velocity reactive gas stream is used to promote combustion of the material whereby a hollow elongated structure with an adequate supply of aluminum for producing unstable aluminum oxides are utilized.Other References
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