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Official data from INPI

VÁLVULA DE CONTROLE DE VAZÃO

Em AnáliseInvention Patent

Application data

Number

PI8501498

Type

Invention Patent

Filing

04/01/1985

Publication

11/04/1986

Progress at the INPI

  1. Filing04/01/85
  2. Publication11/04/86
  3. Examination11/24/87
  4. Allowance08/02/88
  5. Grant01/09/90
  6. Terminated05/21/96

The patent was granted on 01/09/1990 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Zeloso Indústria e Comércio Ltda

SP, BR

See this company's full portfolio

Inventors

C. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

01/09/1990

RPI 1001

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