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Official data from INPI

PROCESSO PARA A MANUFATURA DE EXPLOSIVO DE SUSPENSAO EM GEL AQUOSO;PRODUTO EXPLOSIVO SENSIVEL A ESPOLETA;PROCESSO PARA A MANUFATURA DE EXPLOSIVO GEL AQUOSO NAO SENSIVEL A ESPOLETA E QUE NAO CONTEM COMBUSTIVEL SOLIDO SUSPENSO;E EXPLOSIVO DE GEL AQUOSO NAO SENSIVEL A EXPLOSAO

ConcedidaInvention Patent

Application data

Number

PI7601393

Type

Invention Patent

Filing

03/10/1975

Publication

-

Progress at the INPI

  1. Filing03/10/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired08/03/93

The letters patent expired on 08/03/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/24/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GULF OIL CORP

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Inventors

M. E. (pessoa física)

M. M. (pessoa física)

T. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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