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Official data from INPI

CONJUNTO DE VÁLVULA ELETROMAGNÉTICA.

ConcedidaInvention Patent

Application data

Number

PI8203810

Type

Invention Patent

Filing

06/30/1982

Publication

12/20/1983

Progress at the INPI

  1. Filing06/30/82
  2. Publication12/20/83
  3. Examination10/01/85
  4. Allowance08/04/87
  5. Grant04/26/88
  6. Terminated02/11/92

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

C. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

311.820 · 10/16/1981

US

349.488 · 02/17/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

08/04/1987

RPI 876

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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