Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI7405851

Type

Invention Patent

Filing

07/16/1974

Publication

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Progress at the INPI

Filing07/16/74
Publication
Examination
Allowance
Grant09/29/81
Expired11/17/92

The letters patent expired on 11/17/1992: 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: 09/29/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch GmbH

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1981

RPI 571

Carta-patente expirada

#21.1

11/17/1992

RPI 1146

From the same holder

102026016467 102026012124 102026009710 102026003305 102026003165 102026001540 VÁLVULA DE ÁGUAS PROFUNDAS UNIDADE DE CONTROLE ELETRÔNICO PARA SELEÇÃO AUTOMÁTICA DE COMBUSTÍVEL PARA UM VEÍCULO MULTICOMBUSTÍVEL E UM MÉTODO PARA O MESMO

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