Official data from INPI

ESTRUTURA COMBINADA DE VALVULA DE CONTROLE DE FLUXO E REGULAGEM DE PRESSAO DE AR

Em AnáliseInvention Patent

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Application data

Number

PI7903558

Type

Invention Patent

Filing

06/05/1979

Publication

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Progress at the INPI

Filing06/05/79
Publication
Examination
Allowance06/01/82
Grant
Terminated06/24/86

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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAC VALVES INC

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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

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

From the same holder

ESTRUTURA DE VALVULA COMBINADA DE REDUCAO DE PRESSAO E DE CONTROLE DE FLUSCO ESTRUTURA DE VALVULA COMBINADA DE CONTROLE DE FLUXO E REGULADORA DE PRESSAO

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