Official data from INPI

APERFEICAOMENTOS RELACIONADOS COM MATERIAL DE CHAPA PLASTICA E ARTIGOS PRODUZIDOS A PARTIR DO MESMO

Em AnáliseInvention Patent

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Application data

Number

PI7602920

Type

Invention Patent

Filing

05/08/1975

Publication

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Progress at the INPI

Filing05/08/75
Publication
Examination
Allowance01/25/83
Grant06/28/83
Terminated11/17/87

The patent was granted on 06/28/1983 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

PLASTONA LTDA

Inventors

G. T. (pessoa física)

H. P. (pessoa física)

Technical data

IPC Classification

C08L 23/00

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

06/28/1983

RPI 662

Deferimento

#9.1

01/25/1983

RPI 640

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

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