NL73550C - - Google Patents

Info

Publication number: NL73550C
Authority: NL; Netherlands

Application number

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.)

1947-06-09

Publication of NL73550C publication Critical patent/NL73550C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)

NL73550D 1947-06-09 NL73550C (US07122603-20061017-C00294.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1005139T		1947-06-09

Publications (1)

Publication Number	Publication Date
NL73550C true NL73550C (US07122603-20061017-C00294.png)

Family

ID=9564491

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL133987D NL133987B (US07122603-20061017-C00294.png)	1947-06-09
NL73550D NL73550C (US07122603-20061017-C00294.png)	1947-06-09

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL133987D NL133987B (US07122603-20061017-C00294.png)	1947-06-09

Country Status (3)

Country	Link
CH (1)	CH271789A (US07122603-20061017-C00294.png)
FR (1)	FR1005139A (US07122603-20061017-C00294.png)
NL (2)	NL73550C (US07122603-20061017-C00294.png)

0
- NL NL133987D patent/NL133987B/xx unknown
- NL NL73550D patent/NL73550C/xx active
1947
- 1947-06-09 FR FR1005139D patent/FR1005139A/fr not_active Expired
- 1947-07-26 CH CH271789D patent/CH271789A/de unknown

Also Published As

Publication number	Publication date
FR1005139A (fr)	1952-04-07
NL133987B (US07122603-20061017-C00294.png)
CH271789A (de)	1950-11-15

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