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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6401281

Type

Utility Model

Filing

08/13/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing08/13/84
  2. Publication03/25/86
  3. Examination06/16/87
  4. Allowance04/12/88
  5. Grant11/29/88
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

03/25/1986

RPI 805

Pedido de patente depositado

#2.1

10/23/1984

RPI 731

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

20.7

05/15/1990

RPI 1018

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