Official data from INPI

METODO E INSTALACAO PARA ESFRIAMENTO DE CABOS ELETRICOS

Em AnáliseInvention Patent

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Application data

Number

PI7702862

Type

Invention Patent

Filing

05/07/1976

Publication

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Progress at the INPI

Filing05/07/76
Publication
Examination
Allowance10/06/81
Grant
Expired07/27/93

The letters patent expired on 07/27/1993: 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: 04/20/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIRELLI

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

04/20/1982

RPI 600

Notificação para pagamento de retribuição

#13.1

02/02/1982

RPI 589

Deferimento

#9.1

10/06/1981

RPI 572

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

20.4

12/29/1992

RPI 1152

From the same holder

APERFEICOAMENTOS NAS PRENSAS PARA A VULCANIZACAO DE PNEUMATICOS CORPOS ALONGADOS APERFEICOADOS CONTENDO ELEMENTOS PARA TELECOMUNICACOES CORPOS ALONGADOS APERFEICOADOS CONTENDO ELEMENTOS PARA TELECOMUNICACAOES CABO OTICO APERFEICOADO METODO PARA JUNTAR CONDUTORES NAO CIRCULANTES CABO ELETRICO APERFEICOADO, DOTADO DE TIRAS APERFEICOAMENTOS EM PNEUMATICOS RADIAIS DOTADOS DE REFORCOS NOS FLANCOS TRANSMISSAO CORREIA-POLIAS FUNCIONANDO SEM LUBRIFICACAO

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