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Official data from INPI

MÉTODO E SISTEMA PARA DETECTAR FALHAS DO TIPO PULSO CAÍDO NOS SINAIS DE SAÍDA DOS CONJUNTORES DE SENSORES DE VELOCIDADE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102149

Type

Invention Patent

Filing

05/21/1991

Publication

12/24/1991

Progress at the INPI

  1. Filing05/21/91
  2. Publication12/24/91
  3. Examination03/15/94
  4. Allowance05/23/95
  5. Grant01/30/96
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

J. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

528.521 · 05/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/05/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

10/03/1995

RPI 1296

Deferimento

#9.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

03/15/1994

RPI 1215

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

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