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Official data from INPI

PROCESSO PARA A MEDIÇÃO DE TRANSMISSÃO DE LUZ E APARELHO PARA SUA REALIZAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8700479

Type

Invention Patent

Filing

02/03/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing02/03/87
  2. Publication12/08/87
  3. Examination12/05/89
  4. Allowance02/04/92
  5. Grant10/27/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vaisala Oy

FI

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Inventors

H. S. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

860499 · 02/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/05/1989

RPI 998

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/02/1987

RPI 867

Carta-patente expirada

#21.1

Patente extinta em 03/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

06/09/1992

RPI 1123

Deferimento

#9.1

02/04/1992

RPI 1105

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