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Official data from INPI

FILTRO DE SINAIS DE RÁDIO, REDE DE DUPLEXAGEM, E RÁDIO

Arquivada/ExtintaInvention PatentPCT · US1989004062

Application data

Number

PI8907140

Type

Invention Patent

Filing

09/22/1989

Publication

02/13/1991

PCT

US1989004062

Progress at the INPI

  1. Filing09/22/89
  2. Publication02/13/91
  3. Examination12/17/91
  4. Allowance06/14/94
  5. Grant04/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Motorola, Inc.

US

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Inventors

D. S. (pessoa física)

US

Technical data

Priority claims

US

264.659 · 10/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1991

RPI 1054

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