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Official data from INPI

SISTEMA FECHADO DE DETONACAO,PROCESSO DE DETONACAO E CONJUNTO DE CAPSULAS EXPLOSIVAS DE DETONACAO NAO ELETRICA

ConcedidaInvention Patent

Application data

Number

PI7704990

Type

Invention Patent

Filing

07/30/1976

Publication

-

Progress at the INPI

  1. Filing07/30/76
  2. Publication
  3. Examination
  4. Allowance11/30/82
  5. Grant06/28/83
  6. Terminated08/28/90

The patent was granted on 06/28/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HERCULES INC

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Inventors

Z. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/10/1983

RPI 655

Deferimento

#9.1

11/30/1982

RPI 632

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

6.2

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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