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Official data from INPI

LATERAIS PARA LINGOTEIRAS

Prazo de SigiloUtility Model

Application data

Number

MU6802187

Type

Utility Model

Filing

09/28/1988

Publication

05/22/1990

Progress at the INPI

  1. Filing09/28/88
  2. Publication05/22/90
  3. Examination07/02/91
  4. Allowance11/14/95
  5. Grant08/27/96
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Industrial de Produtos Siderúrgicos - PROSIDER

MG, BR

Inventors

R. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 28/09/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

08/27/1996

RPI 1343

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/14/1995

RPI 1302

Exigência - art. 36 da LPI

#6.1

07/04/1995

RPI 1283

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

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