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Official data from INPI

APARELHO E PROCESSO PARA MONITORAR O INTERVALO ENTRE UM BOCAL DE VAZAMENTO E UMA SUPERFÍCIE DE MOLDAGEM DE UM SUBSTRATO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005682

Type

Invention Patent

Filing

11/09/1990

Publication

12/24/1991

Progress at the INPI

  1. Filing11/09/90
  2. Publication12/24/91
  3. Examination04/14/92
  4. Allowance06/16/98
  5. Grant11/24/98
  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

Armco, Inc.

US

See this company's full portfolio

Inventors

E. K. (pessoa física)

US

R. W. (pessoa física)

US

S. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/542,311 · 06/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

06/16/1998

RPI 1434

Exigência - art. 36 da LPI

#6.1

08/05/1997

RPI 1392

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

Pedido de patente depositado

#2.1

04/30/1991

RPI 1065

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