BE412919A - - Google Patents

Info

Publication number: BE412919A
Authority: BE; Belgium

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.)

1934-12-21

Publication of BE412919A publication Critical patent/BE412919A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Monitoring And Testing Of Exchanges (AREA)
Telephonic Communication Services (AREA)

BE412919D 1934-12-21 BE412919A (US07714131-20100511-C00038.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE459465X		1934-12-21

Publications (1)

Publication Number	Publication Date
BE412919A true BE412919A (US07714131-20100511-C00038.png)

Family

ID=6539589

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
BE412919D BE412919A (US07714131-20100511-C00038.png)	1934-12-21
BE412921D BE412921A (US07714131-20100511-C00038.png)	1934-12-21

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
BE412921D BE412921A (US07714131-20100511-C00038.png)	1934-12-21

Country Status (3)

Country	Link
BE (2)	BE412921A (US07714131-20100511-C00038.png)
FR (2)	FR799384A (US07714131-20100511-C00038.png)
GB (2)	GB459465A (US07714131-20100511-C00038.png)

0
- BE BE412919D patent/BE412919A/xx unknown
- BE BE412921D patent/BE412921A/xx unknown
1935
- 1935-12-17 FR FR799384D patent/FR799384A/fr not_active Expired
- 1935-12-17 FR FR799386D patent/FR799386A/fr not_active Expired
- 1935-12-20 GB GB35347/35A patent/GB459465A/en not_active Expired
- 1935-12-20 GB GB35349/35A patent/GB460160A/en not_active Expired

Also Published As

Publication number	Publication date
FR799386A (fr)	1936-06-11
BE412921A (US07714131-20100511-C00038.png)
GB459465A (en)	1937-01-08
GB460160A (en)	1937-01-22
FR799384A (fr)	1936-06-11

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