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Official data from INPI

MÉTODO PARA FUNDIÇÃO DIRETA DE MATERIAL METÁLICO

Arquivada/ExtintaInvention PatentPCT · SE1988000558

Application data

Number

PI8807765

Type

Invention Patent

Filing

10/21/1988

Publication

08/07/1990

PCT

SE1988000558

Progress at the INPI

  1. Filing10/21/88
  2. Publication08/07/90
  3. Examination07/23/91
  4. Allowance09/17/96
  5. Grant01/21/98
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. E. (pessoa física)

SE

Inventors

S. E. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8704138-0 · 10/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/10/2008

12/18/2012

RPI 2189

Concessão da patente

#16.1

01/21/1998

RPI 1413

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

09/17/1996

RPI 1346

Conhecimento de parecer técnico

#7.1

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

Notificação de entrada na fase nacional - PCT

#1.3

08/07/1990

RPI 1027

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