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Official data from INPI

PROCESSO NO SISTEMA DE ANTENA E DE RECEPÇÃO DE UM RADIOTEODOLITO E APARELHO DERADIOTEODOLITO

PublicadaInvention Patent

Application data

Number

PI8901954

Type

Invention Patent

Filing

04/25/1989

Publication

12/05/1989

Progress at the INPI

  1. Filing04/25/89
  2. Publication12/05/89
  3. Examination07/30/91
  4. Allowance03/15/94
  5. Grant11/29/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 12/05/1989. 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

H. A. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

881956 · 04/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 25/04/2004

12/15/2009

RPI 2032

Alteração de nome deferida

#25.4

Alterado de: Vaisala Oy

10/17/2000

RPI 1554

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

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