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Official data from INPI

ACOPLAMENTO PARA ROLOS DE MESAS DE ROLOS

Prazo de SigiloUtility Model

Application data

Number

MU6900939

Type

Utility Model

Filing

06/02/1989

Publication

04/16/1991

Progress at the INPI

  1. Filing06/02/89
  2. Publication04/16/91
  3. Examination07/20/93
  4. Allowance06/21/94
  5. Grant03/28/95
  6. Expired11/20/01

The letters patent expired on 11/20/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aço Minas Gerais S/A - Açominas

MG, BR

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Inventors

F. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 02/06/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

10/25/1994

RPI 1247

Deferimento

#9.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

07/20/1993

RPI 1181

Publicação do pedido de patente

#3.1

04/16/1991

RPI 1063

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