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Official data from INPI

PROCESSO E APARELHO PARA MEDIÇÃO DO PONTO DE ORVALHO EM DIFERENTES GASES.

Prazo de SigiloInvention Patent

Application data

Number

PI8903888

Type

Invention Patent

Filing

08/02/1989

Publication

03/27/1990

Progress at the INPI

  1. Filing08/02/89
  2. Publication03/27/90
  3. Examination03/19/91
  4. Allowance04/05/94
  5. Grant11/29/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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

Vaisala Oy

FI

V. O. (pessoa física)

FI

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Inventors

A. L. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

883637 · 08/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Carta-patente expirada

#21.1

Patente extinta em 02/08/2004

12/22/2009

RPI 2033

Alteração de nome deferida

#25.4

Alterado de: Vaisala OY

10/24/2000

RPI 1555

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

04/05/1994

RPI 1218

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação do pedido de patente

#3.1

03/27/1990

RPI 1011

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