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Official data from INPI

CURSOR PARA FECHO CORREDIÇO

Prazo de SigiloInvention Patent

Application data

Number

PI8806924

Type

Invention Patent

Filing

12/23/1988

Publication

08/07/1990

Progress at the INPI

  1. Filing12/23/88
  2. Publication08/07/90
  3. Examination01/02/91
  4. Allowance10/13/93
  5. Grant05/31/94
  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: 04/25/1989. 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

H. T. (pessoa física)

JP

Technical data

IPC Classification

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 23/12/2003

09/02/2008

RPI 1965

20.4

10/03/1995

RPI 1296

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

Exigência - art. 36 da LPI

#6.1

07/13/1993

RPI 1180

Solicitação de exame técnico

#4.1

01/02/1991

RPI 1048

Publicação do pedido de patente

#3.1

08/07/1990

RPI 1027

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