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Official data from INPI

PAINEL TERMO ACÚSTICO.

ArquivadaUtility Model

Application data

Number

MU7801140

Type

Utility Model

Filing

06/16/1998

Publication

04/11/2000

Progress at the INPI

  1. Filing06/16/98
  2. Publication04/11/00
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 06/16/1998 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/06/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Multispuma Indústria e Comércio Ltda

SP, BR

Inventors

J. S. (pessoa física)

BR

M. C. (pessoa física)

BR

Technical data

IPC Classification

Abstract

PAINEL TERMO ACÚSTICO, compreendido (1) camada de polietileno macro exapandido, (2) podendo variar de acordo com a intensidade do som a ser barrado, ou sejam chumbo, massa asfálica + fibra de vidro ou lençol de fibro cerâmico e (3) camada de polietileno macro expandido. As laminas externas são as responsáveis para a barragem de temperatura, e que podem ter a sua espessura variando de acordo com a intensidade da temperatura a ser barrada. Intensidade esta variando de -40° a + 80°C.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

07/06/2004

RPI 1748

Arquivamento - Art. 33 da LPI

#11.1

11/18/2003

RPI 1715

Publicação do pedido de patente

#3.1

04/11/2000

RPI 1527

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