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Official data from INPI

VALVULA HIDRAULICA DE FUNCAO MULTIPLA

Em AnáliseInvention Patent

Application data

Number

PI7903525

Type

Invention Patent

Filing

05/31/1979

Publication

-

Progress at the INPI

  1. Filing05/31/79
  2. Publication
  3. Examination02/22/83
  4. Allowance07/03/84
  5. Grant02/26/85
  6. Terminated08/29/89

The patent was granted on 02/26/1985 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ZELOSO IND E COMERCIO LTD

Inventors

V. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/29/1989

RPI 984

20.7

07/29/1986

RPI 823

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/03/1984

RPI 715

8.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

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