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Official data from INPI

PROCESSO PARA PRODUZIR UM AGENTE EXPLOSIVO, BEM COMO UNIDADE ACONDICIONADA CONTENDO O DITO AGENTE EXPLOSIVO

Em AnáliseInvention Patent

Application data

Number

PI8004069

Type

Invention Patent

Filing

06/28/1979

Publication

-

Progress at the INPI

  1. Filing06/28/79
  2. Publication
  3. Examination04/26/83
  4. Allowance08/28/84
  5. Grant04/30/85
  6. Terminated05/17/88

The patent was granted on 04/30/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT MINERALS & CHEM CORP

Inventors

E. D. (pessoa física)

T. R. (pessoa física)

W. R. (pessoa física)

Z. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

08/28/1984

RPI 723

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

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