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Official data from INPI

MECANISMO DE FECHAMENTO PARA VALVULA DE SAIDA

Em AnáliseInvention Patent

Application data

Number

PI8206992

Type

Invention Patent

Filing

12/02/1982

Publication

07/10/1984

Progress at the INPI

  1. Filing12/02/82
  2. Publication07/10/84
  3. Examination08/05/86
  4. Allowance07/14/87
  5. Grant01/26/88
  6. Terminated04/11/95

The patent was granted on 01/26/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. O. (pessoa física)

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/12/1988

RPI 925

Concessão da patente

#16.1

01/26/1988

RPI 901

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

04/11/1995

RPI 1271

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