Official data from INPI

CORPO PERFILADO POROSO SINTERIZADO DE CERÂMICA.

ArquivadaInvention Patent

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Application data

Number

PI8304837

Type

Invention Patent

Filing

09/06/1983

Publication

04/24/1984

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Progress at the INPI

Filing09/06/83
Publication04/24/84
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 09/06/1983 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Antiphon Ab

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

8205096-4 · 09/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/30/1986

RPI 832

Publicação do pedido de patente

#3.1

04/24/1984

RPI 705

Pedido de patente depositado

#2.1

11/08/1983

RPI 681

From the same holder

SILENCIADOR DE ESCAPAMENTO E PROCESSO PARA SUA FABRICAÇÃO.SILENCIOSO

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