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Official data from INPI

APARELHO PARA REDUZIR A QUANTIDADE DE AGUA EM UM VEU DE MATERIAL UMIDO E AGUADO

Em AnáliseInvention Patent

Application data

Number

PI8002492

Type

Invention Patent

Filing

05/07/1979

Publication

-

Progress at the INPI

  1. Filing05/07/79
  2. Publication
  3. Examination12/14/82
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated05/17/88

The patent was granted on 07/31/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORDISKAFILT AB

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Inventors

L. L. (pessoa física)

N. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Cessão de direito de exploração

#22.1

12/17/1985

RPI 791

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

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