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Official data from INPI

POSICIONADOR AUXILIAR DE ALTO TORQUE UTILIZANDO CONTROLADOR TRIFASICO DE FREQUENCIA VARIAVEL E TORQUE CONSTANTE

ConcedidaInvention Patent

Application data

Number

PI8302150

Type

Invention Patent

Filing

04/22/1982

Publication

12/27/1983

Progress at the INPI

  1. Filing04/22/82
  2. Publication12/27/83
  3. Examination05/29/84
  4. Allowance03/26/85
  5. Grant08/27/85
  6. Terminated04/25/95

The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BABCOCK & WILCOX CO [US]

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Inventors

R. J. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

07/09/1985

RPI 768

Deferimento

#9.1

03/26/1985

RPI 753

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação do pedido de patente

#3.1

12/27/1983

RPI 688

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

Pedido de licença compulsória

#20.1

02/04/1992

RPI 1105

Pedido de licença compulsória

#20.1

01/28/1992

RPI 1104

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