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Official data from INPI

UMIDIFICADOR DE FUMO.

Em AnáliseUtility Model

Application data

Number

MU6201467

Type

Utility Model

Filing

10/21/1982

Publication

05/29/1984

Progress at the INPI

  1. Filing10/21/82
  2. Publication05/29/84
  3. Examination11/06/84
  4. Allowance01/07/86
  5. Grant07/29/86
  6. Terminated07/12/88

The patent was granted on 07/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tratemet Tratamento Térmico de Metais Ltda

RS, BR

Inventors

L. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

8.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Publicação do pedido de patente

#3.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

12/21/1982

RPI 635

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