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Official data from INPI

VÁLVULA

ConcedidaInvention Patent

Application data

Number

PI7906416

Type

Invention Patent

Filing

10/04/1979

Publication

-

Progress at the INPI

  1. Filing10/04/79
  2. Publication
  3. Examination05/18/82
  4. Allowance08/02/83
  5. Grant02/28/84
  6. Terminated09/25/90

The patent was granted on 02/28/1984 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: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ACF INDUSTRIES,INCORPORATED.

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Inventors

K. C. (pessoa física)

P. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

960.499 · 11/13/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

Exigência - art. 36 da LPI

#6.1

11/16/1982

RPI 630

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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