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Official data from INPI

MECANISMO DE REGULAGEM ELETROHIDRAULICO PARA VALVULAS DE TURBINAS

Em AnáliseInvention Patent

Application data

Number

PI8108401

Type

Invention Patent

Filing

12/29/1980

Publication

10/13/1982

Progress at the INPI

  1. Filing12/29/80
  2. Publication10/13/82
  3. Examination08/14/84
  4. Allowance12/17/85
  5. Grant06/24/86
  6. Terminated09/25/90

The patent was granted on 06/24/1986 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRAFTWERK UNION AG [DE]

See this company's full portfolio

Inventors

K. W. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

04/19/1988

RPI 913

Cessão de direito de exploração

#22.1

02/23/1988

RPI 905

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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