DK44998C - Circuit arrangement for a fully or semi-automatic Telephone System. - Google Patents

Circuit arrangement for a fully or semi-automatic Telephone System.

Info

Publication number: DK44998C
Authority: DK; Denmark
Prior art keywords: semi; fully; circuit arrangement; telephone system; automatic telephone
Prior art date: 1928-06-13

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.)

1928-06-13

Filing date

1929-06-06

Publication date

1931-12-14

1929-06-06 Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp

1931-12-14 Application granted granted Critical

1931-12-14 Publication of DK44998C publication Critical patent/DK44998C/en

Links

DK44998D 1928-06-13 1929-06-06 Circuit arrangement for a fully or semi-automatic Telephone System. DK44998C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB44998X		1928-06-13

Publications (1)

Publication Number	Publication Date
DK44998C true DK44998C (en)	1931-12-14

Family

ID=9778352

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK44998D DK44998C (en)	1928-06-13	1929-06-06	Circuit arrangement for a fully or semi-automatic Telephone System.

Country Status (1)

Country	Link
DK (1)	DK44998C (en)

1929
- 1929-06-06 DK DK44998D patent/DK44998C/en active

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