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Official data from INPI

CURSORES DUPLOS TRAVÁVEIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906180

Type

Invention Patent

Filing

11/24/1989

Publication

06/26/1990

Progress at the INPI

  1. Filing11/24/89
  2. Publication06/26/90
  3. Examination10/30/90
  4. Allowance10/31/95
  5. Grant08/27/96
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. 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

S. I. (pessoa física)

JP

Y. T. (pessoa física)

JP

Y. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

63-153343 · 11/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/27/1996

RPI 1343

Deferimento

#9.1

10/31/1995

RPI 1300

14.4

08/08/1995

RPI 1288

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Publicação do pedido de patente

#3.1

06/26/1990

RPI 1024

Pedido de patente depositado

#2.1

04/03/1990

RPI 1012

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