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Official data from INPI

COLCHAO MODULADO

ConcedidaUtility Model

Application data

Number

MU6201357

Type

Utility Model

Filing

10/01/1982

Publication

11/08/1983

Progress at the INPI

  1. Filing10/01/82
  2. Publication11/08/83
  3. Examination01/31/84
  4. Allowance05/27/86
  5. Grant09/29/87
  6. Expired11/15/94

The letters patent expired on 11/15/1994: 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VULCAN MATERIAL PLASTICO S A [BR]

Inventors

L. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

110

04/07/1987

RPI 859

Recurso

#12.1

12/16/1986

RPI 843

Recurso

#12.1

09/16/1986

RPI 830

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Pedido de certificado de adição de invenção

#5.1

06/19/1984

RPI 713

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação antecipada

#3.2

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

11/23/1982

RPI 631

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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