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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM CALOTA

ConcedidaUtility Model

Application data

Number

MU6501957

Type

Utility Model

Filing

12/09/1985

Publication

07/07/1987

Progress at the INPI

  1. Filing12/09/85
  2. Publication07/07/87
  3. Examination04/12/88
  4. Allowance01/24/89
  5. Grant08/29/89
  6. Expired03/12/96

The letters patent expired on 03/12/1996: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

SP, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/24/1989

RPI 953

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

03/25/1986

RPI 805

Carta-patente expirada

#21.1

03/12/1996

RPI 1319

201

10/16/1990

RPI 1037

Pedido de licença voluntária

#17.1

05/15/1990

RPI 1018

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