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Official data from INPI

MÉTODO E APARELHO PARA ALIMENTAÇÃO DE UMA CADEIA DE FECHO CORREDIÇO DOTADA DE TIRAS COM PESTANAS

PublicadaInvention Patent

Application data

Number

PI8801987

Type

Invention Patent

Filing

04/21/1988

Publication

11/22/1988

Progress at the INPI

  1. Filing04/21/88
  2. Publication11/22/88
  3. Examination01/09/90
  4. Allowance09/22/92
  5. Grant04/27/93
  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: 11/22/1988. 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

A. Y. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

62-100412 · 04/22/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

08/02/1988

RPI 928

Carta-patente expirada

#21.1

Patente extinta em 21/04/2003

09/02/2008

RPI 1965

20.4

09/26/1995

RPI 1295

Concessão da patente

#16.1

04/27/1993

RPI 1169

Deferimento

#9.1

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

12/03/1991

RPI 1096

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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