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Official data from INPI

PROCESSO PARA REFRIGERACAO DE TUBULACAO DE GAS DE ESCAPAMENTO E A TUBULACAO UTILIZADA

Em AnáliseInvention Patent

Application data

Number

PI7804985

Type

Invention Patent

Filing

08/03/1977

Publication

-

Progress at the INPI

  1. Filing08/03/77
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant04/26/83
  6. Terminated06/14/88

The patent was granted on 04/26/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIDEPAL SA

Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

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