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Official data from INPI

PROCESSO PARA PRODUZIR MATERIAL EM TIRAS DE LIGA DE ALUMÍNIO.

Arquivada/ExtintaInvention PatentPCT · US1990001005

Application data

Number

PI9007119

Type

Invention Patent

Filing

02/21/1990

Publication

11/12/1991

PCT

US1990001005

Progress at the INPI

  1. Filing02/21/90
  2. Publication11/12/91
  3. Examination06/29/93
  4. Allowance02/02/99
  5. Grant07/27/99
  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.

Talk to a specialist

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

Applicants and inventors

Applicants

Golden Aluminum Company

US

Inventors

D. M. (pessoa física)

US

I. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

315.408 · 02/24/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/02/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

02/02/1999

RPI 1465

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

11/12/1991

RPI 1093

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