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Official data from INPI

INSTALACAO PARA A DESUMIDIFICACAO DE UM MEIO DE SECAGEM GASEIFORME COM APLICACAO DE UM ADSORVENTE E REGENERACAO DO ADSORVENTE

ConcedidaInvention Patent

Application data

Number

PI8108746

Type

Invention Patent

Filing

08/20/1980

Publication

06/22/1982

Progress at the INPI

  1. Filing08/20/80
  2. Publication06/22/82
  3. Examination05/02/84
  4. Allowance12/11/84
  5. Grant07/30/85
  6. Terminated08/07/90

The patent was granted on 07/30/1985 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MITTEX AG [LI]

Inventors

H. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Notificação de entrada na fase nacional - PCT

#1.3

06/22/1982

RPI 609

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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