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Official data from INPI

APERFEIÇOAMENTO EM ELEMENTO PARA ACOPLAMENTO ELÁSTICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905659

Type

Invention Patent

Filing

10/31/1989

Publication

05/07/1991

Progress at the INPI

  1. Filing10/31/89
  2. Publication05/07/91
  3. Examination09/03/91
  4. Allowance03/22/94
  5. Grant12/27/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vulkan do Brasil Ind e Comércio de Acoplamentos Ltda

SP, BR

Inventors

C. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 31/10/2004

12/29/2009

RPI 2034

20.4

06/20/1995

RPI 1281

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/22/1994

RPI 1216

Pedido de certificado de adição de invenção

#5.1

01/28/1992

RPI 1104

Solicitação de exame técnico

#4.1

09/03/1991

RPI 1083

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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