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Official data from INPI

MÉTODO DE CONFORMAÇÃO DE UM ENCADEAMENTO DE ELEMENTOS DE FECHO SINUOSOS PARA FECHOS DE CORRER

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906734

Type

Invention Patent

Filing

12/20/1989

Publication

09/18/1990

Progress at the INPI

  1. Filing12/20/89
  2. Publication09/18/90
  3. Examination03/19/91
  4. Allowance11/12/96
  5. Grant05/27/97
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

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Inventors

T. F. (pessoa física)

JP

Technical data

Priority claims

JP

63-320839 · 12/20/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

05/27/1997

RPI 1382

Deferimento

#9.1

11/12/1996

RPI 1354

14.4

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação do pedido de patente

#3.1

09/18/1990

RPI 1033

Pedido de patente depositado

#2.1

04/03/1990

RPI 1012

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