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Official data from INPI

PROCESSO E DISPOSITIVO DE GRANULAÇÃO DE UM MATERIAL EM FUSÃO.

Em AnáliseInvention Patent

Application data

Number

PI8707341

Type

Invention Patent

Filing

05/27/1987

Publication

09/13/1988

Progress at the INPI

  1. Filing05/27/87
  2. Publication09/13/88
  3. Examination01/03/89
  4. Allowance11/14/95
  5. Grant10/29/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Extramet

Extramet Industries

FR

Industrie des Poudres Sphériques

FR

Inventors

B. C. (pessoa física)

FR

P. V. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/08543 · 06/13/1986

FR

PCT/87/00182 · 05/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/03/1989

RPI 950

Notificação de entrada na fase nacional - PCT

#1.3

09/13/1988

RPI 934

Carta-patente expirada

#21.1

Patente extinta em 27/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/29/1996

RPI 1352

14.4

08/20/1996

RPI 1342

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/14/1995

RPI 1302

Conhecimento de parecer técnico

#7.1

11/08/1994

RPI 1249

14.1

09/04/1990

RPI 1031

14.7

09/04/1990

RPI 1031

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