GB485434A - Indicator devices or directories for all uses and particularly for telephone call numbers - Google Patents

Indicator devices or directories for all uses and particularly for telephone call numbers

Info

Publication number
GB485434A
GB485434A GB21412/37A GB2141237A GB485434A GB 485434 A GB485434 A GB 485434A GB 21412/37 A GB21412/37 A GB 21412/37A GB 2141237 A GB2141237 A GB 2141237A GB 485434 A GB485434 A GB 485434A
Authority
GB
United Kingdom
Prior art keywords
dial
stop
directories
telephone call
telephone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB21412/37A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB485434A publication Critical patent/GB485434A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Calculators And Similar Devices (AREA)
GB21412/37A 1936-11-10 1937-08-03 Indicator devices or directories for all uses and particularly for telephone call numbers Expired GB485434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR485434X 1936-11-10

Publications (1)

Publication Number Publication Date
GB485434A true GB485434A (en) 1938-05-19

Family

ID=8903914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21412/37A Expired GB485434A (en) 1936-11-10 1937-08-03 Indicator devices or directories for all uses and particularly for telephone call numbers

Country Status (2)

Country Link
BE (1) BE422631A (en:Method)
GB (1) GB485434A (en:Method)

Also Published As

Publication number Publication date
BE422631A (en:Method)

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