Official data from INPI

TOMADA DE ELETRICIDADE APERFEICOADA

Em AnáliseUtility Model

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Application data

Number

MU5900108

Type

Utility Model

Filing

01/31/1979

Publication

View on INPI

Progress at the INPI

Filing01/31/79
Publication
Examination
Allowance05/18/82
Grant
Terminated06/21/88

The patent was granted 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WALMA SA

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

15.0

05/18/1982

RPI 604

Deferimento

#9.1