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Official data from INPI

MÉTODO E APARELHO PARA ANÁLISE QUANTITATIVA ESPECTROSCÓPICA DE GASES EM MISTURAS GASOSAS

Arquivada/ExtintaInvention PatentPCT · EP1989000596

Application data

Number

PI8906999

Type

Invention Patent

Filing

05/31/1989

Publication

12/18/1990

PCT

EP1989000596

Progress at the INPI

  1. Filing05/31/89
  2. Publication12/18/90
  3. Examination06/02/92
  4. Allowance12/06/94
  5. Grant05/30/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Riener, Karl Stefan

AT

Riener, Karl Stepan

DE

Szepan, Reiner

DE

Inventors

S. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38195313 · 06/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/05/2004

12/29/2009

RPI 2034

Pedido de licença compulsória

#20.1

07/02/1996

RPI 1335

20.3

10/17/1995

RPI 1298

Concessão da patente

#16.1

05/30/1995

RPI 1278

Deferimento

#9.1

12/06/1994

RPI 1253

Exigência - art. 36 da LPI

#6.1

07/05/1994

RPI 1231

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Solicitação de exame não realizada

#4.2

02/04/1992

RPI 1105

Notificação de entrada na fase nacional - PCT

#1.3

12/18/1990

RPI 1046

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