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Official data from INPI

TRAVA COM CADEADO DE SEGREDO PARA FECHO DE CORRER

Arquivada/ExtintaUtility Model

Application data

Number

MU6902728

Type

Utility Model

Filing

10/06/1989

Publication

05/15/1990

Progress at the INPI

  1. Filing10/06/89
  2. Publication05/15/90
  3. Examination11/27/90
  4. Allowance05/20/97
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

See this company's full portfolio

Inventors

H. M. (pessoa física)

JP

K. W. (pessoa física)

JP

Y. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

63-136260 · 10/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/08/2005

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

05/20/1997

RPI 1381

15.10

01/21/1997

RPI 1364

Conhecimento de parecer técnico

#7.1

11/28/1995

RPI 1304

14.4

08/08/1995

RPI 1288

6.2

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

Publicação do pedido de patente

#3.1

05/15/1990

RPI 1018

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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