Official data from INPI

APERFEICOAMENTOS EM PROCESSO PARA PRODUCAO CONTINUA DE FERRO,E DISPOSITIVO DE REGENERACAO EM,OU PARA USO EM,APARELHO DE ELETRODEPOSICAO

Em AnáliseInvention Patent

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Application data

Number

PI7604663

Type

Invention Patent

Filing

07/17/1975

Publication

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Progress at the INPI

Filing07/17/75
Publication
Examination
Allowance
Grant04/27/82
Terminated11/17/87

The patent was granted on 04/27/1982 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

Inventors

L. K. (pessoa física)

R. C. (pessoa física)

Technical data

IPC Classification

C25C 1/06 C25C 7/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

04/27/1982

RPI 601

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PROCESSO RELATIVO A FABRICACAO DE METAIS E SUAS LIGAS

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