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Official data from INPI

DISPOSITIVO DE SEGURANÇA PARA REGULADOR DE FLUXO GASOSO.

Em AnáliseInvention Patent

Application data

Number

PI8103334

Type

Invention Patent

Filing

05/28/1981

Publication

01/04/1983

Progress at the INPI

  1. Filing05/28/81
  2. Publication01/04/83
  3. Examination05/24/83
  4. Allowance02/14/84
  5. Grant09/25/84
  6. Terminated06/21/88

The patent was granted on 09/25/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aliança Metalúrgica S/A

SP, BR

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

Publicação do pedido de patente

#3.1

01/04/1983

RPI 637

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