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.)
Expired
Application number
Inventor
Herbert John Haddan
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB190711178ApublicationCriticalpatent/GB190711178A/en
11,178. Haddan, H. J., [Bergmann-Elektricitõts-Werke Akt.-Ges.]. May 13. Incandescent lamps.-In attaching a series of metallic filaments to a supporting- frame, adjacent ends of consecutive filaments k are placed in contact and cemented to arms d at the base of a pillar c, the filaments being passed over s u pports g at the top of the pillar and through hooks, eyes, or the like on one or more sets of intermediate arms e so as to diverge near the arms d. When current is passed through the filaments, their ends cohere where they are in contact.
GB190711178D1907-05-131907-05-13An Improved Method of Fastening Metallic Filaments in Electric Glow-lamps.
ExpiredGB190711178A
(en)