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Official data from INPI

APARELHO PARA MANTER A TEMPERATURA DE UM MOTOR ABAIXO DA TEMPERATURA DE UM GÁS PRICIPAL FLUINDO PELO MOTOR E SISTEMA DE CÉLULA DE COMBUSTÍVEL RESFRIADO A GÁS.

Em AnáliseInvention Patent

Application data

Number

PI8304480

Type

Invention Patent

Filing

08/18/1983

Publication

03/27/1984

Progress at the INPI

  1. Filing08/18/83
  2. Publication03/27/84
  3. Examination06/26/84
  4. Allowance06/09/87
  5. Grant11/24/87
  6. Terminated10/10/89

The patent was granted on 11/24/1987 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

409.696 · 08/19/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/10/1989

RPI 990

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Republicação - classificação IPC

#15.11

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

05/06/1986

RPI 811

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

03/27/1984

RPI 701

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

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