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Official data from INPI

EMBREAGEM ELETROMAGNÉTICA MULTIDISCO

Em AnáliseUtility Model

Application data

Number

MU6800838

Type

Utility Model

Filing

04/15/1988

Publication

10/04/1988

Progress at the INPI

  1. Filing04/15/88
  2. Publication10/04/88
  3. Examination05/16/89
  4. Allowance12/14/93
  5. Grant10/25/94
  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.

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Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unitec Transmissões, Equipamentos e Sinterização Ltda.

SP, BR

See this company's full portfolio

Inventors

J. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação antecipada

#3.2

10/04/1988

RPI 937

Pedido de patente depositado

#2.1

09/27/1988

RPI 936

Carta-patente expirada

#21.1

Patente extinta em 15/04/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/03/1994

RPI 1222

Deferimento

#9.1

12/14/1993

RPI 1202

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