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Official data from INPI

ACOPLAMENTO DE EIXOS ALTAMENTE ELÁSTICO.

ConcedidaInvention Patent

Application data

Number

PI8401345

Type

Invention Patent

Filing

03/23/1984

Publication

10/30/1984

Progress at the INPI

  1. Filing03/23/84
  2. Publication10/30/84
  3. Examination11/25/86
  4. Allowance08/23/88
  5. Grant07/25/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hackforth Gmbh & Co. KG.

DE

Hackforth GMBH & CO. KG

DE

See this company's full portfolio

Inventors

J. W. (pessoa física)

M. L. (pessoa física)

DE

U. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 10 695.9 · 03/24/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Exigência - art. 36 da LPI

#6.1

08/18/1987

RPI 878

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

10/30/1984

RPI 732

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Carta-patente expirada

#21.1

Patente extinta em 23/03/99

07/08/2008

RPI 1957

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