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Official data from INPI

Bocal para uso em fundição contínua e processo de produção do mesmo

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005269

Type

Invention Patent

Filing

10/18/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/18/90
  2. Publication09/17/91
  3. Examination12/10/91
  4. Allowance09/23/97
  5. Grant07/28/98
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

JP

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Inventors

K. S. (pessoa física)

JP

M. S. (pessoa física)

JP

T. S. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

233210/90 · 09/05/1990

JP

270322/89 · 10/19/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/10/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

12/10/1991

RPI 1097

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/16/1991

RPI 1063

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