Official data from INPI

AERADOR SUPERFICIAL

Em AnáliseInvention Patent

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Application data

Number

PI7607256

Type

Invention Patent

Filing

05/31/1976

Publication

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Progress at the INPI

Filing05/31/76
Publication
Examination
Allowance
Grant04/27/82
Terminated11/24/87

The patent was granted on 04/27/1982 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. I. (pessoa física)

Inventors

B. A. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

C02C 1/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

04/27/1982

RPI 601

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