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Official data from INPI

FECHO CORREDIÇO IMPERMEÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8804186

Type

Invention Patent

Filing

08/10/1988

Publication

03/14/1989

Progress at the INPI

  1. Filing08/10/88
  2. Publication03/14/89
  3. Examination10/17/89
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 10/17/1989. 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

Y. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

62-202267 · 08/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/17/1989

RPI 991

Publicação do pedido de patente

#3.1

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

01/17/1989

RPI 952

Carta-patente expirada

#21.1

Patente extinta em 10/08/2003

09/02/2008

RPI 1965

20.4

09/26/1995

RPI 1295

Concessão da patente

#16.1

09/28/1993

RPI 1191

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

05/12/1992

RPI 1119

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