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.)
CHARLES HURST Ltd
ROBERT FREDRICK SPILLER
Original Assignee
CHARLES HURST Ltd
ROBERT FREDRICK SPILLER
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 CHARLES HURST Ltd, ROBERT FREDRICK SPILLERfiledCriticalCHARLES HURST Ltd
Application grantedgrantedCritical
Publication of FR484779ApublicationCriticalpatent/FR484779A/fr
H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
H01T13/00—Sparking plugs
H01T13/02—Details
H01T13/16—Means for dissipating heat
FR484779D1917-01-101917-03-14Perfectionnements aux bougies d'allumage pour moteurs à combustion interne et autres usages similaires
ExpiredFR484779A
(fr)