Official data from INPI

MAQUINA DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

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Application data

Number

PI7802453

Type

Invention Patent

Filing

04/22/1977

Publication

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Progress at the INPI

Filing04/22/77
Publication
Examination
Allowance02/16/82
Grant
Terminated02/25/86

The patent was granted 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHMIDT GMBH KARL

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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).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Deferimento

#9.1

02/16/1982

RPI 591

From the same holder

EMBOLO FUNDIDO DE METAL LEVE PARA MAQUINAS DE COMBUSTAO INTERNA EMBOLO PARA MAQUINAS DE EMBOLO VOLANTE EM FORMA DE CHAVE PARA VEICULOS AUTOMOTORES DOTADO DE UM ELEMENTO DEFROMAVEL BEM COMO PROCESSO PARA A FABRICACAO DO MESMO VOLANTE DE SEGURANCA PISTAO REFRIGERADO PARA MOTOR A COMBUSTAO E PROCESSO PARA A FABRICACAO DO MESMO PINO DE PISTAO PISTAO DE METAL LEVE

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