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Official data from INPI

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Em AnáliseInvention Patent
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Application data

Number

PI8706643

Type

Invention Patent

Filing

12/04/1987

Publication

07/04/1989
View on INPI

Progress at the INPI

  1. Filing12/04/87
  2. Publication07/04/89
  3. Examination08/27/91
  4. Allowance07/20/93
  5. Grant06/28/94
  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.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. Y. (pessoa física)

SP, BR

Inventors

J. F. (pessoa física)

BR

Technical data

IPC Classification

H04N 7/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

07/04/1989

RPI 976

14.1

08/02/1988

RPI 928

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Republicação - classificação IPC

#15.11

A classificação anterior era: H04N 7/16

06/05/2012

RPI 2161

Carta-patente expirada

#21.1

Patente extinta em 04/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

01/18/1994

RPI 1207

Deferimento

#9.1

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

08/27/1991

RPI 1082

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