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Official data from INPI

PRENSA CONTÍNUA

Em AnáliseInvention Patent

Application data

Number

PI8704409

Type

Invention Patent

Filing

08/27/1987

Publication

11/16/1988

Progress at the INPI

  1. Filing08/27/87
  2. Publication11/16/88
  3. Examination11/22/88
  4. Allowance08/06/91
  5. Grant05/26/92
  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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

SP, BR

Inventors

A. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Publicação antecipada

#3.2

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 27/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/03/1991

RPI 1096

Deferimento

#9.1

08/06/1991

RPI 1079

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