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Official data from INPI

CIRCUITO CONDICIONADOR DE ALIMENTAÇÃO DE COMBUSTÍVEL E MEDIDOR DE FLUXO.

Em AnáliseInvention Patent

Application data

Number

PI8109036

Type

Invention Patent

Filing

08/07/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing08/07/81
  2. Publication08/23/83
  3. Examination02/12/85
  4. Allowance04/08/86
  5. Grant12/30/86
  6. Terminated11/08/94

The patent was granted on 12/30/1986 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

See this company's full portfolio

Inventors

L. [. (pessoa física)

Technical data

IPC Classification

Priority claims

US

81/01057 · 08/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/29/1988

RPI 910

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Notificação de entrada na fase nacional - PCT

#1.3

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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