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Official data from INPI

VÁLVULA DE SEGURANÇA.

ConcedidaInvention Patent

Application data

Number

PI8100178

Type

Invention Patent

Filing

01/13/1981

Publication

-

Progress at the INPI

  1. Filing01/13/81
  2. Publication
  3. Examination10/11/83
  4. Allowance10/30/84
  5. Grant04/30/85
  6. Terminated06/20/95

The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electricite De France ( Service National)

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Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 00842 · 01/15/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/30/1984

RPI 732

Exigência - art. 36 da LPI

#6.1

04/10/1984

RPI 703

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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