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Official data from INPI

DISPOSITIVO PARA DISTRIBUICAO UNIFORME DE LIQUIDO EM SUPERFICIES DE COLUNAS

Em AnáliseInvention Patent

Application data

Number

PI7902695

Type

Invention Patent

Filing

01/09/1979

Publication

-

Progress at the INPI

  1. Filing01/09/79
  2. Publication
  3. Examination12/21/82
  4. Allowance07/19/83
  5. Grant01/31/84
  6. Terminated06/24/86

The patent was granted on 01/31/1984 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. R. (pessoa física)

Inventors

M. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

16.3

04/17/1984

RPI 704

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

12/21/1982

RPI 635

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