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Official data from INPI

APARELHO PARA CONTROLAR A VELOCIDADE DE UM MOTOR ELÉTRICO TRIFÁSICO E APARELHO E PROCESSO PARA CONTROLAR A VELOCIDADE DE UM MOTOR ELÉTRICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002286

Type

Invention Patent

Filing

05/16/1990

Publication

08/06/1991

Progress at the INPI

  1. Filing05/16/90
  2. Publication08/06/91
  3. Examination09/08/92
  4. Allowance03/26/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allen-Bradley Company, Inc

US

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Inventors

J. M. (pessoa física)

US

T. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

380.050 · 07/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/05/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

02/04/1997

RPI 1366

Deferimento

#9.1

03/26/1996

RPI 1321

Solicitação de exame técnico

#4.1

09/08/1992

RPI 1136

Publicação do pedido de patente

#3.1

08/06/1991

RPI 1079

Pedido de patente depositado

#2.1

09/25/1990

RPI 1034

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