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Official data from INPI

SISTEMA DE COMUNICAÇÃO REPETIDOR DE F M E RECEPTOR DE F M

Arquivada/ExtintaInvention PatentPCT · US1987003420

Application data

Number

PI8707993

Type

Invention Patent

Filing

12/24/1987

Publication

05/22/1990

PCT

US1987003420

Progress at the INPI

  1. Filing12/24/87
  2. Publication05/22/90
  3. Examination10/30/90
  4. Allowance03/17/92
  5. Grant03/30/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Motorola, Inc.

US

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Inventors

B. E. (pessoa física)

US

D. L. (pessoa física)

US

E. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

090.982 · 08/28/1987

US

091.160 · 08/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Notificação de entrada na fase nacional - PCT

#1.3

05/22/1990

RPI 1019

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