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Official data from INPI

FIBRAS DE POLIIMIDA RETARDADORAS DE CHAMA RESISTENTES A ALTAS TEMPERATURAS,MALHA NÃO TRANÇADA, CORPO MOLDADO E MÉTODO DE PRODUÇÃO DE CORPOS MOLDADOS

Arquivada/ExtintaInvention PatentPCT · AT1989000016

Application data

Number

PI8905705

Type

Invention Patent

Filing

02/20/1989

Publication

11/20/1990

PCT

AT1989000016

Progress at the INPI

  1. Filing02/20/89
  2. Publication11/20/90
  3. Examination04/30/91
  4. Allowance09/05/95
  5. Grant04/30/96
  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

IMI - Tech Fibres GmbH

AU

L. A. (pessoa física)

AT

Inventors

D. W. (pessoa física)

AT

R. V. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 495/88 · 02/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/02/2004

12/29/2009

RPI 2034

Transferência deferida

#25.1

Transferido de: Lenzig Ag

11/10/1998

RPI 1453

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/05/1995

RPI 1292

Exigência - art. 36 da LPI

#6.1

11/29/1994

RPI 1252

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

Notificação de entrada na fase nacional - PCT

#1.3

11/20/1990

RPI 1042

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