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Official data from INPI

TRANSMISSOR DE DADOS, MÉTODO DE TRANSMISSÃO DE DADOS, CODIFICADOR DE DADOS E SISTEMA DE COMUNICAÇÃO DE RÁDIO MÓVEL

Arquivada/ExtintaInvention PatentPCT · US1995015368

Application data

Number

PI9509749

Type

Invention Patent

Filing

11/22/1995

Publication

12/23/1997

PCT

US1995015368

Progress at the INPI

  1. Filing11/22/95
  2. Publication12/23/97
  3. Examination
  4. Allowance11/25/03
  5. Grant02/17/04
  6. Expired12/15/15

The letters patent expired on 12/15/2015: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AT & T Wireless Services, Inc.

US

See this company's full portfolio

Inventors

A. W. (pessoa física)

CA

S. A. (pessoa física)

US

W. H. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

344156 · 11/23/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/11/2015

12/15/2015

RPI 2345

Concessão da patente

#16.1

02/17/2004

RPI 1728

Deferimento

#9.1

11/25/2003

RPI 1716

Exigência - art. 36 da LPI

#6.1

06/17/2003

RPI 1693

Exigência - art. 36 da LPI

#6.1

01/07/2003

RPI 1670

Exigência - art. 36 da LPI

#6.1

04/23/2002

RPI 1633

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1997

RPI 1409

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