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Official data from INPI

DISPOSIÇÕES APLICADAS EM FORMAS DE VIDRO REFRATÁRIO PARA FINS CULINÁRIOS.

ConcedidaUtility Model

Application data

Number

MU6402112

Type

Utility Model

Filing

12/28/1984

Publication

07/23/1985

Progress at the INPI

  1. Filing12/28/84
  2. Publication07/23/85
  3. Examination11/12/85
  4. Allowance01/13/87
  5. Grant10/25/88
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

SP, BR

See this company's full portfolio

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Retificação

#15.6

05/03/1988

RPI 915

Retificação

#15.3

09/15/1987

RPI 882

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação antecipada

#3.2

07/23/1985

RPI 770

Pedido de patente depositado

#2.1

04/02/1985

RPI 754

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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