FR1569718A - - Google Patents

Info

Publication number
FR1569718A
FR1569718A FR1569718DA FR1569718A FR 1569718 A FR1569718 A FR 1569718A FR 1569718D A FR1569718D A FR 1569718DA FR 1569718 A FR1569718 A FR 1569718A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1569718A publication Critical patent/FR1569718A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
FR1569718D 1967-03-01 1968-03-01 Expired FR1569718A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST026567 1967-03-01

Publications (1)

Publication Number Publication Date
FR1569718A true FR1569718A (fr) 1969-06-06

Family

ID=7461034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1569718D Expired FR1569718A (fr) 1967-03-01 1968-03-01

Country Status (3)

Country Link
US (1) US3576400A (fr)
ES (1) ES351075A1 (fr)
FR (1) FR1569718A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291199A (en) * 1979-03-28 1981-09-22 Bell Telephone Laboratories, Incorporated Communication system tracking arrangement
CA2102092C (fr) * 1992-12-21 1997-05-06 Steven Lloyd Greenspan Transfert d'appel a retour automatique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1760823A (en) * 1928-03-19 1930-05-27 Herbert M Friendly Automatic telephone system
US2274760A (en) * 1939-06-30 1942-03-03 Associated Electric Lab Inc Telephone system

Also Published As

Publication number Publication date
ES351075A1 (es) 1969-05-16
DE1512971B2 (de) 1972-01-20
US3576400A (en) 1971-04-27
DE1512971A1 (de) 1969-06-19

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Legal Events

Date Code Title Description
ST Notification of lapse