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Official data from INPI

VÁLVULA SELETORA DE TRÊS VIAS

Em ExigênciaInvention Patent

Application data

Number

PI8504379

Type

Invention Patent

Filing

09/06/1919

Publication

07/08/1986

Progress at the INPI

  1. Filing09/06/19
  2. Publication07/08/86
  3. Examination09/06/88
  4. Allowance01/09/90
  5. Grant08/28/90
  6. Terminated09/19/95

The patent was granted on 08/28/1990 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: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allied Corporation, empresa norte-ameicana

US

Inventors

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

648.200 · 09/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

07/08/1986

RPI 820

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/01/1990

RPI 1016

Deferimento

#9.1

01/09/1990

RPI 1001

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