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Official data from INPI

PRODUTO ABSORVEDOR DE OLEO

ConcedidaInvention Patent

Application data

Number

PI7703739

Type

Invention Patent

Filing

06/15/1976

Publication

-

Progress at the INPI

  1. Filing06/15/76
  2. Publication
  3. Examination
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Terminated08/28/90

The patent was granted on 08/28/1984 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KEYES FIBRE CO

Inventors

W. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

03/22/1983

RPI 648

Conhecimento de parecer técnico

#7.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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