Official data from INPI

PROCESSO E INSTALACAO PARA SECAGEM E CLASSIFICACAO DE CARVAO VEGETAL

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7903888

Type

Invention Patent

Filing

06/20/1979

Publication

View on INPI

Progress at the INPI

Filing06/20/79
Publication
Examination03/09/82
Allowance09/20/83
Grant04/24/84
Terminated05/17/88

The patent was granted on 04/24/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VALINHO SIDERURG SA

Inventors

D. G. (pessoa física)

Technical data

IPC Classification

C10L 5/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Same category

PP1101201 PP1101199 "COMPOSTO, PROCESSO PARA A PREPARAÇÃO DO SAL DE Na DO (-)-ENANTIOMERO DE OMEPRAZOL, PREPARAÇÃO FARMACÉUTICA E USO DE UM COMPOSTO.PP1101197 PROTEÍNAS QUE LIGAM TNF PP1101194 DERIVADOS CONDENSADOS DO BENZOPIRROL COMO ANTAGONISTAS RECEPTORES DO 5-HT4 PP1101192

Explore category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.