Official data from INPI

TRUQUE DE VAGAO FERROVIARIO

Em AnáliseInvention Patent

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Application data

Number

PI7903092

Type

Invention Patent

Filing

05/19/1978

Publication

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Progress at the INPI

Filing05/19/78
Publication
Examination
Allowance06/01/82
Grant
Expired07/26/94

The letters patent expired on 07/26/1994: 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: 11/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. I. (pessoa física)

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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).

Pedido de licença compulsória

#20.1

11/18/1986

RPI 839

201

11/16/1983

RPI 682

Pedido de licença voluntária

#17.1

06/07/1983

RPI 659

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

07/26/1994

RPI 1234

From the same holder

MAQUINA APLAINADORA DE ESTRADAS TRUQUE PARA VAGAO FERROVIARIO TRUQUE DE VAGAO FERROVIARIO MANOMETRO BROCA DE CORTE MECANISMO DE LIBERACAO RAPIDA VEICULO E GUINDASTE

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