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Official data from INPI

DISPOSITIVO LIMITADOR DA ALTURA DA CHAMA PARA ISQUEIROS A GAS LIQUEFEITO

Em AnáliseInvention Patent

Application data

Number

PI7903769

Type

Invention Patent

Filing

06/16/1978

Publication

-

Progress at the INPI

  1. Filing06/16/78
  2. Publication
  3. Examination03/23/82
  4. Allowance07/12/83
  5. Grant12/27/83
  6. Terminated10/03/89

The patent was granted on 12/27/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. T. (pessoa física)

Inventors

G. C. (pessoa física)

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

01/04/1983

RPI 637

Solicitação de exame técnico

#4.1

03/23/1982

RPI 596

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