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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6201820

Type

Utility Model

Filing

08/03/1982

Publication

03/13/1984

Progress at the INPI

  1. Filing08/03/82
  2. Publication03/13/84
  3. Examination02/26/85
  4. Allowance07/05/88
  5. Grant03/28/89
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 03/28/1989. 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

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

08/30/1988

RPI 932

100

07/05/1988

RPI 924

15.10

04/19/1988

RPI 913

120

08/04/1987

RPI 876

Petição de recurso

#12.2

05/19/1987

RPI 865

Retificação

#15.6

03/17/1987

RPI 856

Alteração de numeração

#15.1

11/25/1986

RPI 840

8.1

03/11/1986

RPI 803

Indeferimento

#9.2

11/05/1985

RPI 785

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Publicação do pedido de patente

#3.1

03/13/1984

RPI 699

Pedido de patente depositado

#2.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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