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Official data from INPI

APARELHO PARA E PROCESSO DE VARRER MATERIAL FLUTUANTE SOBRE A SUPERFICIE DE UMA MASSA DE AGUA

Em AnáliseInvention Patent

Application data

Number

PI7906767

Type

Invention Patent

Filing

10/19/1979

Publication

-

Progress at the INPI

  1. Filing10/19/79
  2. Publication
  3. Examination05/17/83
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated07/12/88

The patent was granted on 06/26/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OCEAN ECOLOGY LTD

Inventors

K. J. (pessoa física)

Technical data

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

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

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