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Official data from INPI

PROCESSO E APARELHAGEM PARA CONTROLE DE MOTOR DE INDUÇÃO

PublicadaInvention Patent

Application data

Number

PI8605306

Type

Invention Patent

Filing

10/29/1986

Publication

07/28/1987

Progress at the INPI

  1. Filing10/29/86
  2. Publication07/28/87
  3. Examination03/06/90
  4. Allowance06/28/94
  5. Grant01/31/95
  6. Terminated06/18/96

The patent was granted on 01/31/1995 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AEG Westinghouse Transportation Systems, Inc

US

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

H. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

793.045 · 10/30/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/28/1987

RPI 875

Pedido de patente depositado

#2.1

03/31/1987

RPI 858

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

14.1

03/30/1993

RPI 1165

Exigência - art. 36 da LPI

#6.1

04/21/1992

RPI 1116

Solicitação de exame técnico

#4.1

03/06/1990

RPI 1008

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