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Official data from INPI

AMORTECEDOR DE CHOQUES HIDRÁULICO, REGULÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8701706

Type

Invention Patent

Filing

04/13/1987

Publication

01/12/1988

Progress at the INPI

  1. Filing04/13/87
  2. Publication01/12/88
  3. Examination04/26/88
  4. Allowance11/06/90
  5. Grant04/30/91
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Boge GmbH

DE

See this company's full portfolio

Inventors

A. P. (pessoa física)

DE

H. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 12 796.5 · 04/16/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 13/04/2002

07/29/2008

RPI 1960

20.4

12/01/1992

RPI 1148

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

02/19/1991

RPI 1055

Deferimento

#9.1

11/06/1990

RPI 1040

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