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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8403938

Type

Invention Patent

Filing

08/07/1984

Publication

03/18/1986

Progress at the INPI

  1. Filing08/07/84
  2. Publication03/18/86
  3. Examination09/02/86
  4. Allowance08/11/87
  5. Grant06/28/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

SP, BR

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

01/03/1989

RPI 950

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

09/02/1986

RPI 828

Publicação do pedido de patente

#3.1

03/18/1986

RPI 804

Pedido de patente depositado

#2.1

10/16/1984

RPI 730

Carta-patente expirada

#21.1

Patente extinta em 07/08/99

07/08/2008

RPI 1957

22.2

11/28/1995

RPI 1304

336

03/19/1991

RPI 1059

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