Official data from INPI

ESPOLETA DE BAIXA ENERGIA E PROCESSOS E APARELHOS PARA FABRICÁ-LA E MODIFICÁ-LA

ConcedidaInvention Patent

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Application data

Number

PI8503291

Type

Invention Patent

Filing

07/09/1985

Publication

04/01/1986

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Progress at the INPI

Filing07/09/85
Publication04/01/86
Examination04/26/88
Allowance02/28/89
Grant11/28/89
Terminated10/03/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brasex Participações Ltda

Explo Brasil S.A.

RJ, BR

Inventors

J. C. (pessoa física)

Technical data

IPC Classification

F42C 1/00

Priority claims

84/5304 · 07/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

14.1

08/23/1988

RPI 931

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

04/01/1986

RPI 806

Pedido de patente depositado

#2.1

09/17/1985

RPI 778

Anuidade - prazo legal encerrado

#18.2

10/03/1995

RPI 1296

20.4

09/08/1992

RPI 1136

20.7