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Official data from INPI

SISTEMA DE RESFRIAMENTO POR LÍQUIDO EM EBULIÇÃO PARA MOTORES DE COMBUSTÃO INTERNA.

ConcedidaInvention Patent

Application data

Number

PI8307615

Type

Invention Patent

Filing

11/14/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing11/14/83
  2. Publication10/02/84
  3. Examination05/13/86
  4. Allowance02/09/88
  5. Grant10/25/88
  6. Terminated04/30/96

The patent was granted on 10/25/1988 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Evans Cooling Associates.

US

Inventors

J. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

442,721 · 11/18/1982

US

PCT/83/01775 · 11/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/12/1988

RPI 925

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

06/02/1987

RPI 867

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Notificação de entrada na fase nacional - PCT

#1.3

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

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