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Official data from INPI

MÉTODO E APARELHO PARA A MOLDAGEM POR INJEÇÃO DE LIGAS METÁLICAS

Arquivada/ExtintaInvention PatentPCT · US1990000416

Application data

Number

PI9005084

Type

Invention Patent

Filing

01/19/1990

Publication

08/06/1991

PCT

US1990000416

Progress at the INPI

  1. Filing01/19/90
  2. Publication08/06/91
  3. Examination10/15/91
  4. Allowance09/22/98
  5. Grant07/27/99
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

Thixomat, Incorporated

US

See this company's full portfolio

Inventors

A. N. (pessoa física)

US

N. B. (pessoa física)

US

R. W. (pessoa física)

US

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

309.758 · 02/10/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/01/2010

01/02/2013

RPI 2191

Transferência deferida

#25.1

Transferido de: The Dow Chemical Company

03/26/2002

RPI 1629

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

09/22/1998

RPI 1448

Exigência - art. 36 da LPI

#6.1

04/22/1998

RPI 1426

Solicitação de exame técnico

#4.1

10/15/1991

RPI 1089

Notificação de entrada na fase nacional - PCT

#1.3

08/06/1991

RPI 1079

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