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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6501004

Type

Utility Model

Filing

07/17/1985

Publication

03/04/1987

Progress at the INPI

  1. Filing07/17/85
  2. Publication03/04/87
  3. Examination02/17/88
  4. Allowance11/01/88
  5. Grant07/25/89
  6. Expired10/03/95

The letters patent expired on 10/03/1995: 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

Westinghouse do Brasil S/A.

RJ, BR

See this company's full portfolio

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

02/17/1988

RPI 904

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

10/01/1985

RPI 780

Carta-patente expirada

#21.1

10/03/1995

RPI 1296

Pedido de licença compulsória

#20.1

03/23/1993

RPI 1164

Pedido de licença compulsória

#20.1

08/07/1990

RPI 1027

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