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Official data from INPI

COMPOSIÇÃO DE PÓ METALÚRGICO APERFEIÇOADA, E, PROCESSOS PARA A PREPARAÇÃO DE UMA COMPOSIÇÃO DE PÓ A BASE DE METAL E PARA A FABRICAÇÃO DE UMA PEÇA DE METAL COMPACTADO

Arquivada/ExtintaInvention PatentPCT · US1995011527

Application data

Number

PI9508936

Type

Invention Patent

Filing

09/11/1995

Publication

01/13/1998

PCT

US1995011527

Progress at the INPI

  1. Filing09/11/95
  2. Publication01/13/98
  3. Examination
  4. Allowance12/05/00
  5. Grant03/06/01
  6. Expired12/01/15

The letters patent expired on 12/01/2015: 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: 12/01/2015. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

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Inventors

S. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/306209 · 09/14/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/09/2015

12/01/2015

RPI 2343

Concessão da patente

#16.1

03/06/2001

RPI 1574

Deferimento

#9.1

12/05/2000

RPI 1561

Notificação de entrada na fase nacional - PCT

#1.3

01/13/1998

RPI 1412

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