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Official data from INPI

APERFEICOAMENTO INTRODUZIDO NA ESTRUTURA DE FUNDO DUPLO DE CASCOS DE NAVIOS

Em AnáliseInvention Patent

Application data

Number

PI7706880

Type

Invention Patent

Filing

10/16/1976

Publication

-

Progress at the INPI

  1. Filing10/16/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated12/15/87

The patent was granted on 07/27/1982 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. P. (pessoa física)

Inventors

P. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

01/12/1982

RPI 586

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