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Official data from INPI

SEPARADOR COMBUSTÍVEL-ÁGUA E PROCESSO DE SEPARAR IM LÍQUIDO DE ALTA DENSIDADE DE UMA MISTURA LÍQUIDA

ConcedidaInvention Patent

Application data

Number

PI8201186

Type

Invention Patent

Filing

03/05/1982

Publication

01/18/1983

Progress at the INPI

  1. Filing03/05/82
  2. Publication01/18/83
  3. Examination03/26/85
  4. Allowance11/10/87
  5. Grant05/31/88
  6. Terminated06/26/90

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stant INC

US

Inventors

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

241,076 · 03/06/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Exigência - art. 36 da LPI

#6.1

04/29/1986

RPI 810

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

03/26/1985

RPI 753

Publicação do pedido de patente

#3.1

01/18/1983

RPI 639

Pedido de patente depositado

#2.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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