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Official data from INPI

APARELHO E PROCESSO DE LAMINAÇÃO POR FENDIMENTO SEM TORÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100426

Type

Invention Patent

Filing

02/01/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing02/01/91
  2. Publication10/22/91
  3. Examination09/29/92
  4. Allowance09/15/98
  5. Grant12/29/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. P. (pessoa física)

HK

Inventors

D. P. (pessoa física)

HK

Technical data

IPC Classification

Priority claims

EP

90108 378.2 · 05/03/1990

US

474.285 · 02/02/1990

US

549.351 · 07/06/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/02/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

09/15/1998

RPI 1447

Exigência - art. 36 da LPI

#6.1

12/03/1996

RPI 1357

6.2

04/02/1996

RPI 1322

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

08/06/1991

RPI 1079

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