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Official data from INPI

GUARNIÇÃO DE CARDA METÁLICA FORMADA A PARTIR DE UM FILETE DE ARAME PERFILADO, ASSIM COMO PROCESSO E APARELHO PARA FABRICAR A GUARNIÇÃO

Arquivada/ExtintaInvention PatentPCT · US1990001818
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Application data

Number

PI9007496

Type

Invention Patent

Filing

04/04/1990

Publication

05/12/1992

PCT

US1990001818
View on INPI

Progress at the INPI

  1. Filing04/04/90
  2. Publication05/12/92
  3. Examination07/20/93
  4. Allowance07/27/99
  5. Grant02/22/00
  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

J. H. (pessoa física)

US

Inventors

J. H. (pessoa física)

US

Technical data

IPC Classification

B21F 45/10C21D 9/26

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

12/01/1998

RPI 1456

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Notificação de entrada na fase nacional - PCT

#1.3

05/12/1992

RPI 1119

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