DK40866C - Air-filled electric light bulb. - Google Patents

Air-filled electric light bulb.

Info

Publication number: DK40866C
Authority: DK; Denmark
Prior art keywords: air; light bulb; electric light; filled electric; filled
Prior art date: 1927-03-25

Application number

Other languages

Original Assignee

Gloedelampefabrikanter N V Phi

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.)

1927-03-25

Filing date

1928-03-07

Publication date

1929-09-30

1928-03-07 Application filed by Gloedelampefabrikanter N V Phi filed Critical Gloedelampefabrikanter N V Phi

1929-09-30 Application granted granted Critical

1929-09-30 Publication of DK40866C publication Critical patent/DK40866C/en

Links

DK40866D 1927-03-25 1928-03-07 Air-filled electric light bulb. DK40866C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL40866X		1927-03-25

Publications (1)

Publication Number	Publication Date
DK40866C true DK40866C (en)	1929-09-30

Family

ID=19755735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK40866D DK40866C (en)	1927-03-25	1928-03-07	Air-filled electric light bulb.

Country Status (1)

Country	Link
DK (1)	DK40866C (en)

1928
- 1928-03-07 DK DK40866D patent/DK40866C/en active

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