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Official data from INPI

ACOPLAMENTO TORCIONALMENTE ELÁSTICO

ConcedidaInvention Patent

Application data

Number

PI8203922

Type

Invention Patent

Filing

07/06/1982

Publication

06/28/1983

Progress at the INPI

  1. Filing07/06/82
  2. Publication06/28/83
  3. Examination05/28/85
  4. Allowance07/08/86
  5. Grant10/27/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Maschinenfabrik Stromag GmbH

DE

Inventors

D. D. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 26 644.4 · 07/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

110

08/11/1987

RPI 877

Recurso

#12.1

11/18/1986

RPI 839

Deferimento

#9.1

07/08/1986

RPI 820

Pedido de certificado de adição de invenção

#5.1

10/29/1985

RPI 784

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

Publicação do pedido de patente

#3.1

06/28/1983

RPI 662

Pedido de patente depositado

#2.1

08/17/1982

RPI 617

Carta-patente expirada

#21.1

Patente extinta em 06/07/97

07/01/2008

RPI 1956

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