PT80538A - Telephone call cost monitor - Google Patents

Telephone call cost monitor

Info

Publication number
PT80538A
PT80538A PT8053885A PT8053885A PT80538A PT 80538 A PT80538 A PT 80538A PT 8053885 A PT8053885 A PT 8053885A PT 8053885 A PT8053885 A PT 8053885A PT 80538 A PT80538 A PT 80538A
Authority
PT
Portugal
Prior art keywords
telephone call
call cost
cost monitor
monitor
telephone
Prior art date
Application number
PT8053885A
Other languages
Portuguese (pt)
Original Assignee
Knight David William
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
Priority claimed from GB08424072A external-priority patent/GB2147708B/en
Priority claimed from EP85300419A external-priority patent/EP0188857A1/en
Application filed by Knight David William filed Critical Knight David William
Publication of PT80538A publication Critical patent/PT80538A/en

Links

PT8053885A 1984-09-24 1985-05-28 Telephone call cost monitor PT80538A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08424072A GB2147708B (en) 1983-09-22 1984-09-24 Sensing apparatus
EP85300419A EP0188857A1 (en) 1983-09-22 1985-01-23 Telephone call cost monitor

Publications (1)

Publication Number Publication Date
PT80538A true PT80538A (en) 1985-06-01

Family

ID=26098113

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8053885A PT80538A (en) 1984-09-24 1985-05-28 Telephone call cost monitor

Country Status (4)

Country Link
DK (1) DK171185A (en)
ES (1) ES8607660A1 (en)
NO (1) NO851567L (en)
PT (1) PT80538A (en)

Also Published As

Publication number Publication date
ES8607660A1 (en) 1986-05-16
DK171185A (en) 1986-03-25
ES543123A0 (en) 1986-05-16
DK171185D0 (en) 1985-04-16
NO851567L (en) 1986-03-25

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Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19880330