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Official data from INPI

PROCESSO E DISPOSITIVO PARA A PURIFICACAO DO AR ADUZIDO A UMA CABINE DE VEICULO OU DE PROTECAO NO TRABALHO

ConcedidaInvention Patent

Application data

Number

PI8009011

Type

Invention Patent

Filing

01/16/1980

Publication

10/27/1981

Progress at the INPI

  1. Filing01/16/80
  2. Publication10/27/81
  3. Examination09/13/83
  4. Allowance07/30/85
  5. Grant03/25/86
  6. Terminated08/09/94

The patent was granted on 03/25/1986 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. H. (pessoa física)

Inventors

D. H. (pessoa física)

G. H. (pessoa física)

H. H. (pessoa física)

I. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Deferimento

#9.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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