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Official data from INPI

APARELHO E PROCESSO PARA RETIRAR A FASE LÍQUIDA DE MISTURA ÚMIDA

ConcedidaInvention Patent

Application data

Number

PI8305419

Type

Invention Patent

Filing

01/25/1983

Publication

12/27/1983

Progress at the INPI

  1. Filing01/25/83
  2. Publication12/27/83
  3. Examination05/13/86
  4. Allowance03/28/89
  5. Grant11/28/89
  6. Terminated05/09/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

S. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

341.728 · 01/26/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

05/13/1986

RPI 812

Notificação de entrada na fase nacional - PCT

#1.3

12/27/1983

RPI 688

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

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