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Official data from INPI

ISOLADOR ELÉTRICO ESTRUTURADO

PublicadaUtility Model

Application data

Number

MU6900668

Type

Utility Model

Filing

05/02/1989

Publication

08/22/1989

Progress at the INPI

  1. Filing05/02/89
  2. Publication08/22/89
  3. Examination03/01/90
  4. Allowance05/23/95
  5. Grant01/30/96
  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.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAB Wabco do Brasil S.A

SP, BR

Inventors

S. U. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

06/13/1989

RPI 973

Carta-patente expirada

#21.1

Patente extinta em 02/05/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

10/03/1995

RPI 1296

Deferimento

#9.1

05/23/1995

RPI 1277

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

14.4

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

03/01/1990

RPI 1007

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