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Official data from INPI

CONJUNTO DE SENSORES DE VELOCIDADE ROTACIONAL ANULAR NO EIXO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103871

Type

Invention Patent

Filing

09/04/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing09/04/91
  2. Publication05/26/92
  3. Examination05/10/94
  4. Allowance12/26/95
  5. Grant02/04/97
  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

See this company's full portfolio

Inventors

G. P. (pessoa física)

US

L. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

578,383 · 09/07/1990

US

622,108 · 12/03/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/09/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

02/04/1997

RPI 1366

Republicação - classificação IPC

#15.11

09/17/1996

RPI 1346

Notificação para pagamento de retribuição

#13.1

06/25/1996

RPI 1334

Deferimento

#9.1

12/26/1995

RPI 1308

Solicitação de exame técnico

#4.1

05/10/1994

RPI 1223

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

10/15/1991

RPI 1089

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