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Official data from INPI

Válvula sanitária de descarga.

Em AnáliseInvention Patent

Application data

Number

PI7907674

Type

Invention Patent

Filing

11/27/1979

Publication

-

Progress at the INPI

  1. Filing11/27/79
  2. Publication
  3. Examination
  4. Allowance10/19/82
  5. Grant04/26/83
  6. Terminated01/28/92

The patent was granted on 04/26/1983 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A.P.V. do Brasil S/A. Indústria e Comércio.

Inventors

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/30/1983

RPI 671

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/19/1982

RPI 626

8.1

08/24/1982

RPI 618

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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