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Official data from INPI

DISPOSITIVO DE BATENTE PARA INVÓLUCROS EM ESPIRAL E ASPIRADORES DE TURBINAS HIDRÁULICAS E MÁQUINAS ANÁLOGAS.

Em AnáliseInvention Patent

Application data

Number

PI8701084

Type

Invention Patent

Filing

03/10/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/10/87
  2. Publication12/29/87
  3. Examination08/22/89
  4. Allowance05/01/90
  5. Grant10/30/90
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. F. (pessoa física)

FR

Neyrpic

FR

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Inventors

B. L. (pessoa física)

FR

P. H. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86.03717 · 03/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/22/1989

RPI 983

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Carta-patente expirada

#21.1

Patente extinta em 10/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

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