GB1371063A - Telephone index devices - Google Patents

Telephone index devices

Info

Publication number
GB1371063A
GB1371063A GB3910471A GB3910471A GB1371063A GB 1371063 A GB1371063 A GB 1371063A GB 3910471 A GB3910471 A GB 3910471A GB 3910471 A GB3910471 A GB 3910471A GB 1371063 A GB1371063 A GB 1371063A
Authority
GB
United Kingdom
Prior art keywords
index devices
telephone index
telephone
devices
index
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
GB3910471A
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 GB1371063A publication Critical patent/GB1371063A/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)
GB3910471A 1971-02-18 1971-08-20 Telephone index devices Expired GB1371063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11638471A 1971-02-18 1971-02-18

Publications (1)

Publication Number Publication Date
GB1371063A true GB1371063A (en) 1974-10-23

Family

ID=22366856

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3910471A Expired GB1371063A (en) 1971-02-18 1971-08-20 Telephone index devices
GB2227573A Expired GB1371064A (en) 1971-02-18 1971-08-20 Telephone index devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2227573A Expired GB1371064A (en) 1971-02-18 1971-08-20 Telephone index devices

Country Status (5)

Country Link
AU (1) AU3545371A (https=)
BE (1) BE774208A (https=)
CA (1) CA941258A (https=)
FR (1) FR2125838A5 (https=)
GB (2) GB1371063A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2176077B2 (https=) * 1971-02-18 1976-09-10 Foley James

Also Published As

Publication number Publication date
FR2125838A5 (https=) 1972-09-29
CA941258A (en) 1974-02-05
GB1371064A (en) 1974-10-23
AU3545371A (en) 1973-05-17
BE774208A (fr) 1972-02-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees