Official data from INPI

COMPOSICAO RESISTIVA A ABSORCAO DE AGUA E UMIDADE PELO PAPELAO ONDULADO,E MEIOS DE SUA APLICACAO AO MESMO

ArquivadaInvention Patent

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Application data

Number

PI7802210

Type

Invention Patent

Filing

04/10/1978

Publication

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Progress at the INPI

Filing04/10/78
Publication
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 04/10/1978 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/03/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLINKRAFT CELULOSE PAPEL LTD

Inventors

No inventors listed.

Technical data

IPC Classification

C08L 89/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

08/03/1982

RPI 615

8.1

12/15/1981

RPI 582

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 1/10; C08L 89/00; C09J 3/00.

03/20/2018

RPI 2463

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