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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UMA ESPUMA MACIA DE POLIURETANO, ELÁSTICA E RESISTENTE À CHAMA

Arquivada/ExtintaInvention PatentPCT · DE1990000203
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Application data

Number

PI9005959

Type

Invention Patent

Filing

03/17/1990

Publication

08/06/1991

PCT

DE1990000203
View on INPI

Progress at the INPI

  1. Filing03/17/90
  2. Publication08/06/91
  3. Examination11/26/91
  4. Allowance09/15/98
  5. Grant06/29/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metzeler Schaum GmbH

DE

Inventors

D. H. (pessoa física)

DE

H. R. (pessoa física)

DE

Technical data

IPC Classification

C08J 9/00C08J 9/04C08K 3/04

Priority claims

DE

P 39 09 017.5 · 03/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/03/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

09/15/1998

RPI 1447

Exigência - art. 36 da LPI

#6.1

09/16/1997

RPI 1398

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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