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Official data from INPI

PROCESSO PARA LINGOTAMENTO CONTÍNUO DE MATERIAL EM TIRA

Em AnáliseInvention Patent

Application data

Number

PI8606878

Type

Invention Patent

Filing

09/15/1986

Publication

11/03/1987

Progress at the INPI

  1. Filing09/15/86
  2. Publication11/03/87
  3. Examination06/13/89
  4. Allowance08/02/94
  5. Grant03/28/95
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Battelle Memorial Institute

US

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Inventors

R. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

778.633 · 09/20/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/13/1989

RPI 973

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Carta-patente expirada

#21.1

Patente extinta em 15/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/29/1994

RPI 1252

Deferimento

#9.1

08/02/1994

RPI 1235

Conhecimento de parecer técnico

#7.1

08/17/1993

RPI 1185

14.1

03/30/1993

RPI 1165

Exigência - art. 36 da LPI

#6.1

07/21/1992

RPI 1129

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