Official data from INPI

Aperfeiçoamentos em turbinas hidráulicas de grande porte.

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI8105061

Type

Invention Patent

Filing

08/06/1981

Publication

12/15/1981

View on INPI

Progress at the INPI

Filing08/06/81
Publication12/15/81
Examination06/21/83
Allowance06/26/84
Grant02/26/85
Terminated03/19/96

The patent was granted on 02/26/1985 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: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Energética de São Paulo - CESP

SP, BR

Inventors

J. J. (pessoa física)

Technical data

IPC Classification

C09B 1/503

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/26/1985

RPI 749

13.3

02/12/1985

RPI 747

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

14.1

10/16/1984

RPI 730

14.4

10/16/1984

RPI 730

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Publicação antecipada

#3.2

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

03/19/1996

RPI 1320

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.