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Official data from INPI

DISPOSITIVO E PROCESSO PARA PRÉ-PERFURAÇÃO DE LINGOTES

Arquivada/ExtintaInvention PatentPCT · US1990005347

Application data

Number

PI9007675

Type

Invention Patent

Filing

09/20/1990

Publication

07/21/1992

PCT

US1990005347

Progress at the INPI

  1. Filing09/20/90
  2. Publication07/21/92
  3. Examination07/27/93
  4. Allowance03/14/95
  5. Grant12/26/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

US

Inventors

C. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

409.800 · 09/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/09/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

12/26/1995

RPI 1308

Notificação para pagamento de retribuição

#13.1

08/29/1995

RPI 1291

Deferimento

#9.1

03/14/1995

RPI 1267

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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