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Official data from INPI

CABECA OU SEGUIDOR PARA UMA ARMACAO DE TROCADOR DE CALOR DE PLACA; TROCADOR DE CALOR DE PLACA E ARMACAO QUE A COMPREENDE

Em AnáliseInvention Patent

Application data

Number

PI8100440

Type

Invention Patent

Filing

01/29/1980

Publication

-

Progress at the INPI

  1. Filing01/29/80
  2. Publication
  3. Examination08/23/83
  4. Allowance02/17/87
  5. Grant08/25/87
  6. Terminated11/16/88

The patent was granted on 08/25/1987 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

APV CO LTD

Inventors

B. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

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