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Official data from INPI

DISPOSITIVO DE TRANSMISSÃO DE ENERGIA E PROCESSO DE DETONAR UM ALTO EXPLOSIVO EM CONTACTO COM UMA CAPSULA FULMINANTE.

ConcedidaInvention Patent

Application data

Number

PI8004348

Type

Invention Patent

Filing

07/14/1980

Publication

-

Progress at the INPI

  1. Filing07/14/80
  2. Publication
  3. Examination03/29/83
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Expired09/19/95

The letters patent expired on 09/19/1995: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atlas Powder Company.

US

See this company's full portfolio

Inventors

J. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

057,898 · 07/16/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

11/08/1983

RPI 681

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F42D 1/00; F42D 7/00.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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