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US5014301A Expired / Lapsed US ⏱️ 0.0 years remaining

International speaker telephone

Assignee: Individual
•
Filing: 1989-03-10
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Granted: 1991-05-07
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Expires: 2009-03-10
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Abstract

Abstract The invention enhances a payphone by providing multilingual instructions to the user on how to complete a phone call. This is accomplished by providing a language directory listing at the payphone. Upon actuating the proper code for the language desired on the dial of the payphone, instructions will be given in that language.

Inventors

  • 👤 Alexander Maltezos

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:17
CPC Classifications
H; H04; H04M; H04M17/00; H04M17/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 96 words
A payphone which includes a keypad or dial and a digital voice device for providing a user of said payphone voice instructions as to the operation of said payphone; the improvement comprising: a directory listing next to said keypad or dial including a list of languages with a corresponding coded numeral found on said keypad or dial; and said digital voice device further comprising multilingual voice instructions selectively controlled by the actuation of said keypad or dial such that the numeral actuated on said keypad provides instructions in the language which corresponds in said directory listing.
Claim 2
Dependent Claim 96 words
A payphone which includes a keypad or dial and a digital voice device for providing a user of said payphone voice instructions as to the operation of said payphone; the improvement comprising: a directory listing next to said keypad or dial including a list of languages with a corresponding coded numeral found on said keypad or dial; and said digital voice device further comprising multilingual voice instructions selectively controlled by the actuation of said keypad or dial such that the numeral actuated on said keypad provides instructions in the language which corresponds in said directory listing.

References Cited (Backward Citations)

US4031324A Cited
CA1162336A Cited
US4736405A Cited
WO1988005238A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-05-06 1994-11-05 1995-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-05-06 1998-11-05 1999-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-05-06 2002-11-05 2003-05-07 $7700.00 Window Closed / Lapsed

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