Official data from INPI

PROCESSO E SISTEMA PARA PRODUZIR COMPOSICOES EXPLOSIVAS EM FORMA DE EMULSAO

ConcedidaInvention Patent

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Application data

Number

PI7807965

Type

Invention Patent

Filing

12/04/1978

Publication

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Progress at the INPI

Filing12/04/78
Publication
Examination07/06/82
Allowance09/25/84
Grant04/29/86
Expired05/24/94

The letters patent expired on 05/24/1994: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ATLAS POWDER CO

Inventors

O. R. (pessoa física)

W. C. (pessoa física)

Technical data

IPC Classification

C06B 47/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

110

11/05/1985

RPI 785

Recurso

#12.1

01/08/1985

RPI 742

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

07/06/1982

RPI 611

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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