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Official data from INPI

SENSOR ÓPTICO DE POSIÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8606100

Type

Invention Patent

Filing

11/28/1986

Publication

09/15/1987

Progress at the INPI

  1. Filing11/28/86
  2. Publication09/15/87
  3. Examination07/19/88
  4. Allowance12/26/90
  5. Grant04/30/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Cavi S.P.A

IT

Societá Cavi Pirelli S.p.A

IT

See this company's full portfolio

Inventors

P. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

23036-A/85 · 11/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/19/1988

RPI 926

Publicação do pedido de patente

#3.1

09/15/1987

RPI 882

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Carta-patente expirada

#21.1

Patente extinta em 28/11/2001

07/22/2008

RPI 1959

20.4

12/01/1992

RPI 1148

Concessão da patente

#16.1

04/30/1991

RPI 1065

Deferimento

#9.1

12/26/1990

RPI 1047

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