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Official data from INPI

APARELHO PARA TRATAR UM MATERIAL FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI8003449

Type

Invention Patent

Filing

06/02/1980

Publication

-

Progress at the INPI

  1. Filing06/02/80
  2. Publication
  3. Examination02/22/83
  4. Allowance01/06/87
  5. Grant08/25/87
  6. Terminated09/26/89

The patent was granted on 08/25/1987 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

N. P. (pessoa física)

S. M. (pessoa física)

Technical data

Priority claims

GB

7919250 · 06/01/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

08/25/1987

RPI 879

Republicação - classificação IPC

#15.11

04/28/1987

RPI 862

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

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