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Official data from INPI

AGENTE DE PROPULSAO PARA GERADORES DE GAS DO TIPO EM QUE O GAS ESCAPA DA BASE DO GERADOR, E PROCESSO DE FABRICACAO DESTE AGENTE DE PROPULSAO

ConcedidaInvention Patent

Application data

Number

PI8101052

Type

Invention Patent

Filing

02/21/1980

Publication

-

Progress at the INPI

  1. Filing02/21/80
  2. Publication
  3. Examination03/02/82
  4. Allowance09/06/88
  5. Grant03/28/89
  6. Terminated08/23/94

The patent was granted on 03/28/1989 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRB SA

Inventors

K. W. (pessoa física)

M. D. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Exigência - art. 36 da LPI

#6.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Conhecimento de parecer técnico

#7.1

06/02/1987

RPI 867

6.2

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

08/23/1994

RPI 1238

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