Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primerica Inc
Original Assignee
Metal and Thermit Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metal and Thermit CorpfiledCriticalMetal and Thermit Corp
Application grantedgrantedCritical
Publication of FR569958ApublicationCriticalpatent/FR569958A/fr
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
B23K23/00—Alumino-thermic welding
FR569958D1923-01-171923-08-20Moules pour le soudage des rails et pour applications analogues
ExpiredFR569958A
(fr)