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Official data from INPI

VÁLVULA ACIONADA.

Em AnáliseInvention Patent

Application data

Number

PI8102335

Type

Invention Patent

Filing

04/15/1981

Publication

12/15/1981

Progress at the INPI

  1. Filing04/15/81
  2. Publication12/15/81
  3. Examination01/31/84
  4. Allowance05/07/85
  5. Grant11/26/85
  6. Terminated05/24/88

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wilden Pump & Engineering.Co., Inc.

Inventors

W. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

141.815 · 04/21/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

12/15/1981

RPI 582

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