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Official data from INPI

FECHO INVIOLAVEL

ConcedidaUtility Model

Application data

Number

MU6301396

Type

Utility Model

Filing

09/27/1983

Publication

03/20/1984

Progress at the INPI

  1. Filing09/27/83
  2. Publication03/20/84
  3. Examination05/29/84
  4. Allowance03/11/86
  5. Grant09/30/86
  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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MARIA HELENA RODRIGUES GOMES D [BR]

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Republicação - classificação IPC

#15.11

09/24/1985

RPI 779

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

05/29/1984

RPI 710

Publicação antecipada

#3.2

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

12/06/1983

RPI 685

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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