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Official data from INPI

PROCESSO PARA REDUZIR OS RESCOS DE INFLAMACAO E DE EXPLOSAO RESULTANTES DA DECOMPOSICAO DO ESTILENO SOB ALTA PRESSAO E DISPOSITIVO PARA A APLICACAO DO REFERIDO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8002519

Type

Invention Patent

Filing

04/25/1979

Publication

-

Progress at the INPI

  1. Filing04/25/79
  2. Publication
  3. Examination
  4. Allowance07/31/84
  5. Grant12/26/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

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Inventors

D. P. (pessoa física)

J. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/31/1984

RPI 719

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

Pedido de licença compulsória

#20.1

04/21/1992

RPI 1116

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