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Official data from INPI

SISTEMA DE CONVERSÃO DE SINAL PROVENIENTE DE TRANSDUTOR DE CARACTERÍSTICA LINEAR

PublicadaInvention Patent

Application data

Number

PI8900550

Type

Invention Patent

Filing

02/08/1989

Publication

10/10/1989

Progress at the INPI

  1. Filing02/08/89
  2. Publication10/10/89
  3. Examination09/17/91
  4. Allowance08/04/98
  5. Grant12/29/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Weber S.r.l

IT

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Inventors

M. F. (pessoa física)

IT

S. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67 079-A/88 · 02/05/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 08/02/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

08/04/1998

RPI 1441

Exigência - art. 36 da LPI

#6.1

11/25/1997

RPI 1408

Solicitação de exame técnico

#4.1

09/17/1991

RPI 1085

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