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Official data from INPI

DISPOSITIVO DE OBTURAÇÃO DE RECIPIENTES COM VÁLVULA PARA ELIMINAÇÃO AUTOMÁTICA DOS GASES EM SOBRE-PRESSÃO.

Em ExigênciaInvention Patent
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Application data

Number

PI8505753

Type

Invention Patent

Filing

11/14/1985

Publication

08/12/1986
View on INPI

Progress at the INPI

  1. Filing11/14/85
  2. Publication08/12/86
  3. Examination09/20/88
  4. Allowance02/13/90
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cotelle S.A.

FR

Inventors

A. M. (pessoa física)

FR

Technical data

IPC Classification

B65D 51/16

Priority claims

FR

84 17413 · 11/15/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

07/25/1989

RPI 979

14.4

11/22/1988

RPI 944

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Carta-patente expirada

#21.1

Patente extinta em 14/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

06/05/1990

RPI 1021

Deferimento

#9.1

02/13/1990

RPI 1006

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