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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6400590

Type

Utility Model

Filing

04/24/1984

Publication

12/17/1985

Progress at the INPI

  1. Filing04/24/84
  2. Publication12/17/85
  3. Examination02/25/86
  4. Allowance07/21/87
  5. Grant12/15/87
  6. Expired08/23/94

The letters patent expired on 08/23/1994: 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

RJ, BR

Inventors

K. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/15/1987

RPI 895

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

Exigência - art. 36 da LPI

#6.1

12/23/1986

RPI 844

Solicitação de exame técnico

#4.1

02/25/1986

RPI 801

Publicação do pedido de patente

#3.1

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

07/03/1984

RPI 715

Carta-patente expirada

#21.1

08/23/1994

RPI 1238

Cessão de direito de exploração

#22.1

06/25/1991

RPI 1073

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