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Official data from INPI

PROCESSO PARA PRODUÇÃO DE COMPOSIÇÃO DE LIGA DINAMICAMENTE VULCANIZADA (DVA) APERFEIÇOADA

Arquivada/ExtintaInvention PatentPCT · US1990002837

Application data

Number

PI9007394

Type

Invention Patent

Filing

05/16/1990

Publication

07/21/1992

PCT

US1990002837

Progress at the INPI

  1. Filing05/16/90
  2. Publication07/21/92
  3. Examination07/13/93
  4. Allowance11/06/01
  5. Grant05/28/02
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Advanced Elastomer Systems, L.P.

US

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Inventors

D. H. (pessoa física)

BE

R. P. (pessoa física)

US

T. O. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

US

359.060 · 05/26/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/05/2012

01/15/2013

RPI 2193

Concessão da patente

#16.1

05/28/2002

RPI 1638

Deferimento

#9.1

11/06/2001

RPI 1609

Exigência - art. 36 da LPI

#6.1

03/20/2001

RPI 1576

Conhecimento de parecer técnico

#7.1

09/01/1998

RPI 1445

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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