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Official data from INPI

SEM TITULO

ConcedidaUtility Model

Application data

Number

MU6501404

Type

Utility Model

Filing

09/19/1985

Publication

12/17/1985

Progress at the INPI

  1. Filing09/19/85
  2. Publication12/17/85
  3. Examination04/15/86
  4. Allowance09/27/88
  5. Grant07/25/89
  6. Expired11/07/95

The letters patent expired on 11/07/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Duratex Sociedade Anônima

SP, BR

See this company's full portfolio

Inventors

Y. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

04/15/1986

RPI 808

Publicação antecipada

#3.2

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

12/10/1985

RPI 790

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

Pedido de licença compulsória

#20.1

05/15/1990

RPI 1018

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