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Official data from INPI

UM RESSALTO HIDRAULICO AUTO-AJUSTAVEL PARA MOTORES TERMICOS

ConcedidaInvention Patent

Application data

Number

PI8107443

Type

Invention Patent

Filing

11/21/1980

Publication

08/10/1982

Progress at the INPI

  1. Filing11/21/80
  2. Publication08/10/82
  3. Examination06/05/84
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RIV OFFICINE DI VILLAR PEROSA [IT]

Inventors

F. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Publicação do pedido de patente

#3.1

08/10/1982

RPI 616

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

Patente extinta em 17/11/96

08/19/2008

RPI 1963

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