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Official data from INPI

FECHO CORREDIÇO PRESO POR PRESSÃO DE FLUÍDO

ConcedidaInvention Patent

Application data

Number

PI8204880

Type

Invention Patent

Filing

08/18/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/18/82
  2. Publication08/02/83
  3. Examination10/25/83
  4. Allowance07/14/87
  5. Grant02/23/88
  6. Terminated04/02/96

The patent was granted on 02/23/1988 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: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

JP

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Inventors

T. F. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

56-129440 · 08/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Conhecimento de parecer técnico

#7.1

06/10/1986

RPI 816

6.2

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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