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Official data from INPI

LEVANTADOR HIDRÁULICO

ConcedidaInvention Patent

Application data

Number

PI8503535

Type

Invention Patent

Filing

07/25/1985

Publication

01/21/1986

Progress at the INPI

  1. Filing07/25/85
  2. Publication01/21/86
  3. Examination04/15/86
  4. Allowance03/28/89
  5. Grant10/24/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Prodty Engenharia e Comércio Ltda.

SP, BR

Inventors

L. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

07/18/1989

RPI 978

Deferimento

#9.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

04/15/1986

RPI 808

Publicação antecipada

#3.2

01/21/1986

RPI 796

Pedido de patente depositado

#2.1

10/08/1985

RPI 781

Republicação - classificação IPC

#15.11

01/26/2010

RPI 2038

Carta-patente expirada

#21.1

Patente extinta em 25/07/2000

07/15/2008

RPI 1958

20.4

03/16/1993

RPI 1163

22.5

06/23/1992

RPI 1125

Cessão de direito de exploração

#22.1

01/28/1992

RPI 1104

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