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Official data from INPI

AÇOS PARA FERRAMENTAS DE PRENSA DE TRABALHO A QUENTE

Prazo de SigiloInvention Patent

Application data

Number

PI8807006

Type

Invention Patent

Filing

12/30/1988

Publication

08/07/1990

Progress at the INPI

  1. Filing12/30/88
  2. Publication08/07/90
  3. Examination05/26/92
  4. Allowance06/11/96
  5. Grant05/27/97
  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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

JP

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Inventors

M. O. (pessoa física)

JP

N. K. (pessoa física)

JP

S. U. (pessoa física)

JP

Y. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

95.436/88 · 04/20/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Carta-patente expirada

#21.1

Patente extinta em 30/12/2008

12/18/2012

RPI 2189

Concessão da patente

#16.1

05/27/1997

RPI 1382

9.1.3

10/01/1996

RPI 1348

Deferimento

#9.1

06/11/1996

RPI 1332

Exigência - art. 36 da LPI

#6.1

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

05/26/1992

RPI 1121

Publicação do pedido de patente

#3.1

08/07/1990

RPI 1027

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