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Official data from INPI

ACOPLAMENTO ELÁSTICO DE EIXO

Em AnáliseInvention Patent

Application data

Number

PI8801409

Type

Invention Patent

Filing

03/28/1988

Publication

11/08/1988

Progress at the INPI

  1. Filing03/28/88
  2. Publication11/08/88
  3. Examination02/21/89
  4. Allowance08/27/91
  5. Grant05/26/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hackforth GMBH & CO. KG

DE

See this company's full portfolio

Inventors

J. W. (pessoa física)

DE

M. L. (pessoa física)

DE

U. F. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 l0 390.3 · 03/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

07/26/1988

RPI 927

Carta-patente expirada

#21.1

Patente extinta em 28/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Deferimento

#9.1

08/27/1991

RPI 1082

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