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Official data from INPI

MONTAGEM DE FILTRO PARA COMBUSTÍVEL

ConcedidaInvention Patent

Application data

Number

PI8300768

Type

Invention Patent

Filing

02/17/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing02/17/83
  2. Publication11/16/83
  3. Examination07/30/85
  4. Allowance05/13/86
  5. Grant11/25/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Racor Industries,Inc

US

Inventors

M. B. (pessoa física)

O. R. (pessoa física)

S. H. (pessoa física)

W. E. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Solicitação de exame técnico

#4.1

07/30/1985

RPI 771

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Carta-patente expirada

#21.1

Patente extinta em 17/02/98

07/01/2008

RPI 1956

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