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Official data from INPI

DISPOSITIVO PARA EXECUTAR A MEDIÇÃO, MEDIANTE UM SENSOR ÓPTICO POLARIMÉTRICO, DE UMA GRANDEZA FÍSICA E A TRANSMISSÃO À DISTÂNCIA DO VALOR OBTIDO DESTA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005337

Type

Invention Patent

Filing

10/17/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/17/90
  2. Publication09/17/91
  3. Examination03/09/93
  4. Allowance06/27/95
  5. Grant11/28/95
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi SpA

IT

See this company's full portfolio

Inventors

F. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

22041 A/89 · 10/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/10/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

11/28/1995

RPI 1304

Deferimento

#9.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

03/09/1993

RPI 1162

14.4

09/29/1992

RPI 1139

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/16/1991

RPI 1063

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