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Official data from INPI

SISTEMA DE COMUNICACÃO PARA COMUNICACÃO DE RF

Prazo de SigiloInvention Patent

Application data

Number

PI8903479

Type

Invention Patent

Filing

07/14/1989

Publication

03/06/1990

Progress at the INPI

  1. Filing07/14/89
  2. Publication03/06/90
  3. Examination06/09/92
  4. Allowance11/29/94
  5. Grant07/25/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Motorola, Inc.

US

See this company's full portfolio

Inventors

T. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

225.503 · 07/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Carta-patente expirada

#21.1

Patente extinta em 14/07/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/04/1995

RPI 1270

Deferimento

#9.1

11/29/1994

RPI 1252

Exigência - art. 36 da LPI

#6.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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