Official data from INPI

PROCESSO PARA PRODUCAO DE MANGUEIRAS EM MATERIAL ELASTOMERICO VULCANIZAVEL

Em AnáliseInvention Patent

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Application data

Number

PI7707872

Type

Invention Patent

Filing

05/04/1977

Publication

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Progress at the INPI

Filing05/04/77
Publication
Examination
Allowance04/06/82
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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. V. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

Deferimento

#9.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

From the same holder

PROCESSO E APARELHO PARA A EXTRACAO DO NUCLEO USADO NA FABRICACAO DE MANGUEIRAS DE BORRACHA EQUIPAMENTO PARA VULCANIZACAO DE PRODUTOS A BASE DE BORRACHA COM GRANDE COMPRIMENTO EQUIPAMENTO PARA MANUFATURA DE MANGUEIRAS DE BORRACHA PROCESSO E DISPOSITIVO PARA BOBINAR FITAS DE BORRACHA OU DE OUTRO MATERIAL EXTENSIVEL EQUIPAMENTO PARA PRODUCAO DE FITAS CONTINUAS EM BORRACHA OU EM OUTRO MATERIAL ELASTOMERICO EQUIVALENTE

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