BE367704A - - Google Patents

Info

Publication number: BE367704A
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.)

1929-11-14

Publication of BE367704A publication Critical patent/BE367704A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Computer Security & Cryptography (AREA)
Signal Processing (AREA)
Prepayment Telephone Systems (AREA)
Accommodation For Nursing Or Treatment Tables (AREA)
Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Interface Circuits In Exchanges (AREA)

BE367704D 1929-11-14 BE367704A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DET40511D DE581835C (de)	1929-11-14	1929-11-14	Schaltungsanordnung fuer Muenzfernsprecher

Publications (1)

Publication Number	Publication Date
BE367704A true BE367704A (enrdf_load_html_response)

Family

ID=7560777

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE367704D BE367704A (enrdf_load_html_response)	1929-11-14

Country Status (6)

Country	Link
BE (1)	BE367704A (enrdf_load_html_response)
CH (1)	CH145794A (enrdf_load_html_response)
DE (1)	DE581835C (enrdf_load_html_response)
FR (1)	FR688476A (enrdf_load_html_response)
GB (1)	GB344633A (enrdf_load_html_response)
NL (1)	NL29441C (enrdf_load_html_response)

0
- NL NL29441D patent/NL29441C/xx active
- BE BE367704D patent/BE367704A/xx unknown
1929
- 1929-11-14 DE DET40511D patent/DE581835C/de not_active Expired
1930
- 1930-01-20 FR FR688476D patent/FR688476A/fr not_active Expired
- 1930-02-06 CH CH145794D patent/CH145794A/de unknown
- 1930-02-17 GB GB533730A patent/GB344633A/en not_active Expired

Also Published As

Publication number	Publication date
DE581835C (de)	1933-08-03
FR688476A (fr)	1930-08-23
CH145794A (de)	1931-03-15
GB344633A (en)	1931-03-12
NL29441C (enrdf_load_html_response)

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