GB139861A - Improvements in telephone instruments - Google Patents

Improvements in telephone instruments

Info

Publication number
GB139861A
GB139861A GB315819A GB315819A GB139861A GB 139861 A GB139861 A GB 139861A GB 315819 A GB315819 A GB 315819A GB 315819 A GB315819 A GB 315819A GB 139861 A GB139861 A GB 139861A
Authority
GB
United Kingdom
Prior art keywords
cradle
stand
lifted
telephone instruments
amberg
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
GB315819A
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.)
VITHUS AMBERG
WESTERN ELECTRIC CO Ltd
AT&T Corp
Original Assignee
VITHUS AMBERG
WESTERN ELECTRIC CO Ltd
Western Electric Co Inc
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 VITHUS AMBERG, WESTERN ELECTRIC CO Ltd, Western Electric Co Inc filed Critical VITHUS AMBERG
Priority to GB315819A priority Critical patent/GB139861A/en
Priority to FR503294A priority patent/FR503294A/fr
Publication of GB139861A publication Critical patent/GB139861A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB315819A 1919-02-08 1919-02-08 Improvements in telephone instruments Expired GB139861A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB315819A GB139861A (en) 1919-02-08 1919-02-08 Improvements in telephone instruments
FR503294A FR503294A (fr) 1919-02-08 1919-08-28 Perfectionnement dans les appareils téléphoniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB315819A GB139861A (en) 1919-02-08 1919-02-08 Improvements in telephone instruments

Publications (1)

Publication Number Publication Date
GB139861A true GB139861A (en) 1920-03-18

Family

ID=9753024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB315819A Expired GB139861A (en) 1919-02-08 1919-02-08 Improvements in telephone instruments

Country Status (2)

Country Link
FR (1) FR503294A (fr)
GB (1) GB139861A (fr)

Also Published As

Publication number Publication date
FR503294A (fr) 1920-06-07

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