Official data from INPI

APERFEICOAMENTO EM ASPIRADORES DE PO

Em AnáliseInvention Patent

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Application data

Number

PI7800760

Type

Invention Patent

Filing

02/03/1978

Publication

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Progress at the INPI

Filing02/03/78
Publication
Examination
Allowance04/27/82
Grant
Expired07/20/93

The letters patent expired on 07/20/1993: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEN ELECTRIC BRASIL SA

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

From the same holder

APERFEICOAMENTOS EM ASPIRADORES DE PO PROCESSOS DE SOLDAGEM DE ALTO RENDIMENTO SUPRIDOR DE LATAS DE CERVEJA OU OUTRA BEBIDA NO PAINEL INTERNO DE UM REFRIGERADOR DOMESTICO SISTEMA DE DISTRIBUICAO DE AGUA GELADA ATRAVES DA PORTA DE UM REFRIGERADOR DOMESTICO

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