DK55785C - Telefonhørerør. - Google Patents

Telefonhørerør.

Info

Publication number: DK55785C
Authority: DK; Denmark
Prior art keywords: telephone handset; handset; telephone
Prior art date: 1936-08-01

Application number

Other languages

Original Assignee

Int Standard Electric 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.)

1936-08-01

Filing date

1937-07-31

Publication date

1939-02-06

1937-07-31 Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp

1939-02-06 Application granted granted Critical

1939-02-06 Publication of DK55785C publication Critical patent/DK55785C/da

Links

DK55785D 1936-08-01 1937-07-31 Telefonhørerør. DK55785C (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US55785XA	1936-08-01	1936-08-01

Publications (1)

Publication Number	Publication Date
DK55785C true DK55785C (da)	1939-02-06

Family

ID=21716580

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK55785D DK55785C (da)	1936-08-01	1937-07-31	Telefonhørerør.

Country Status (1)

Country	Link
DK (1)	DK55785C (da)

1937
- 1937-07-31 DK DK55785D patent/DK55785C/da active

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