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Official data from INPI

INSTRUMENTO DE MASTIGAÇÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8901216

Type

Invention Patent

Filing

03/08/1989

Publication

10/16/1990

Progress at the INPI

  1. Filing03/08/89
  2. Publication10/16/90
  3. Examination03/26/91
  4. Allowance04/16/96
  5. Grant10/28/97
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

SP, BR

Inventors

A. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

Carta-patente expirada

#21.1

Patente extinta em 08/03/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

10/28/1997

RPI 1404

Notificação para pagamento de retribuição

#13.1

02/18/1997

RPI 1368

Deferimento

#9.1

04/16/1996

RPI 1324

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

15.18

07/05/1994

RPI 1231

Retificação

#15.3

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

Publicação do pedido de patente

#3.1

10/16/1990

RPI 1037

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