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Official data from INPI

JUNTA ROTATIVA EQUILIBRADA PARA ESTANQUIDADE DO VEIO DE UMA TURBINA HIDRÁULICA

Em AnáliseInvention Patent

Application data

Number

PI8600397

Type

Invention Patent

Filing

01/31/1986

Publication

10/14/1986

Progress at the INPI

  1. Filing01/31/86
  2. Publication10/14/86
  3. Examination02/10/87
  4. Allowance01/09/90
  5. Grant08/28/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Neyrpic

FR

See this company's full portfolio

Inventors

A. S. (pessoa física)

A. S. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85.01603 · 02/01/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/10/1987

RPI 851

Publicação do pedido de patente

#3.1

10/14/1986

RPI 834

Pedido de patente depositado

#2.1

07/22/1986

RPI 822

Carta-patente expirada

#21.1

Patente extinta em 31/01/2001

07/22/2008

RPI 1959

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/01/1990

RPI 1016

Deferimento

#9.1

01/09/1990

RPI 1001

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