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Official data from INPI

PURIFICADOR DE GÁS.

ConcedidaUtility Model

Application data

Number

MU6101416

Type

Utility Model

Filing

10/07/1981

Publication

01/12/1982

Progress at the INPI

  1. Filing10/07/81
  2. Publication01/12/82
  3. Examination03/16/82
  4. Allowance01/07/86
  5. Grant08/25/87
  6. Terminated10/02/90

The patent was granted on 08/25/1987 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Avimec Indústria e Comércio de Equipamentos Ltda.

RS, BR

See this company's full portfolio

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

14.7

03/10/1987

RPI 855

Notificação para pagamento de retribuição

#13.1

07/08/1986

RPI 820

Deferimento

#9.1

01/07/1986

RPI 794

8.1

08/13/1985

RPI 773

8.1

01/22/1985

RPI 744

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

03/16/1982

RPI 595

Publicação antecipada

#3.2

01/12/1982

RPI 586

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Extinção — restauração

#21.2

04/09/1991

RPI 1062

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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