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Official data from INPI

PROCESSO E DISPOSITIVO PARA A REALIZAÇÃO DE TRABALHOS METALÚRGICOS DE METAIS FERROSOS

Arquivada/ExtintaInvention PatentPCT · DE1995001311

Application data

Number

PI9508955

Type

Invention Patent

Filing

09/15/1995

Publication

01/06/1998

PCT

DE1995001311

Progress at the INPI

  1. Filing09/15/95
  2. Publication01/06/98
  3. Examination
  4. Allowance12/14/99
  5. Grant08/22/00
  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

M. A. (pessoa física)

DE

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Inventors

P. M. (pessoa física)

DE

S. L. (pessoa física)

DE

U. E. (pessoa física)

DE

U. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 44 34 369.8 · 09/15/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/09/2015

12/01/2015

RPI 2343

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

12/14/1999

RPI 1510

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1998

RPI 1411

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