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Official data from INPI

Saco plástico valvulado.

ConcedidaUtility Model

Application data

Number

MU6101372

Type

Utility Model

Filing

10/02/1981

Publication

05/17/1983

Progress at the INPI

  1. Filing10/02/81
  2. Publication05/17/83
  3. Examination09/06/83
  4. Allowance05/14/85
  5. Grant10/29/85
  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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ECAP - Empresa Catarinense de Administração e Participação Ltda.

SC, BR

Inventors

M. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

100

05/14/1985

RPI 760

Petição de recurso

#12.2

01/08/1985

RPI 742

Indeferimento

#9.2

10/30/1984

RPI 732

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Publicação do pedido de patente

#3.1

05/17/1983

RPI 656

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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