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Official data from INPI

VÁLVULA DE AR OPERADA POR VÁLVULA DE COMANDO PNEUMÁTICA

Em AnáliseInvention Patent

Application data

Number

PI8007776

Type

Invention Patent

Filing

11/27/1980

Publication

07/27/1982

Progress at the INPI

  1. Filing11/27/80
  2. Publication07/27/82
  3. Examination10/13/82
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Terminated06/21/88

The patent was granted on 06/26/1984 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

Mac Valves, Inc

US

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Inventors

N. A. (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

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

07/27/1982

RPI 614

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