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Official data from INPI

SENSOR ÓPTICO DE POSIÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8604874

Type

Invention Patent

Filing

10/07/1986

Publication

07/07/1987

Progress at the INPI

  1. Filing10/07/86
  2. Publication07/07/87
  3. Examination08/15/89
  4. Allowance11/27/90
  5. Grant06/25/91
  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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societá Cavi Pirelli S.p.A., industrial e comercial

IT

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Inventors

P. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

22 518 A/85 · 10/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/15/1989

RPI 982

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 07/10/2001

07/22/2008

RPI 1959

20.4

12/01/1992

RPI 1148

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

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