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Official data from INPI

ARRANJO DE VEDACAO DE BAIXA EMISSAO PARA USO EM UM TANQUE DA VARIEDADE QUE TEM UM TETO FLUTUANTE;E SISTEMA DE VEDACAO DE BAIXA EMISSAO DE VAPORES

Em AnáliseInvention Patent

Application data

Number

PI7702191

Type

Invention Patent

Filing

04/07/1976

Publication

-

Progress at the INPI

  1. Filing04/07/76
  2. Publication
  3. Examination
  4. Allowance05/18/82
  5. Grant05/29/84
  6. Terminated12/08/87

The patent was granted on 05/29/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

USS ENG & CONSULT

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Inventors

N. W. (pessoa física)

P. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

110

01/31/1984

RPI 693

120

08/23/1983

RPI 670

Recurso

#12.1

09/14/1982

RPI 621

Deferimento

#9.1

05/18/1982

RPI 604

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