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Official data from INPI

SISTEMA ELETRO-HIDRÁULICO DE SERVO-VÁLVULA

Em AnáliseInvention Patent

Application data

Number

PI8302273

Type

Invention Patent

Filing

05/03/1983

Publication

01/03/1984

Progress at the INPI

  1. Filing05/03/83
  2. Publication01/03/84
  3. Examination04/15/86
  4. Allowance09/08/87
  5. Grant08/28/90
  6. Terminated08/29/95

The patent was granted on 08/28/1990 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vickers, Incorporated

US

Inventors

L. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

374.012 · 05/03/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

120

05/30/1989

RPI 971

Recurso

#12.1

01/19/1988

RPI 900

Deferimento

#9.1

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

04/15/1986

RPI 808

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

04/24/1990

RPI 1015

110

01/23/1990

RPI 1003

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