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Official data from INPI

APERFEICOAMENTO EM BOMBA DE COMBUSTIVEL DE DIAFRAGMA PARA UM VEICULO A MOTOR

Em AnáliseInvention Patent

Application data

Number

PI7604856

Type

Invention Patent

Filing

11/03/1975

Publication

-

Progress at the INPI

  1. Filing11/03/75
  2. Publication
  3. Examination
  4. Allowance10/06/81
  5. Grant06/29/82
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ACF IND INC

Inventors

T. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/24/1989

RPI 992

20.7

10/17/1989

RPI 991

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

Deferimento

#9.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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