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Official data from INPI

CONJUNTO DE VÁLVULA DE CONTROLE PROPORCIONAL A PRESSÃO DE FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI8501603

Type

Invention Patent

Filing

04/03/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/03/85
  2. Publication12/03/85
  3. Examination10/13/87
  4. Allowance08/02/88
  5. Grant01/09/90
  6. Terminated03/10/92

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

B. C. (pessoa física)

US

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Inventors

C. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

597.303 · 04/06/1984

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

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

01/09/1990

RPI 1001

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