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Official data from INPI

ENGRENAGEM DE DIREÇÃO DE CREMALHEIRA E PINHÃO

PublicadaInvention Patent

Application data

Number

PI8902077

Type

Invention Patent

Filing

05/03/1989

Publication

12/05/1989

Progress at the INPI

  1. Filing05/03/89
  2. Publication12/05/89
  3. Examination08/14/90
  4. Allowance06/09/92
  5. Grant03/30/93
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

See this company's full portfolio

Inventors

E. P. (pessoa física)

G. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

191,084 · 05/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Pedido de patente depositado

#2.1

06/13/1989

RPI 973

Carta-patente expirada

#21.1

Patente extinta em 03/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

10/27/1992

RPI 1143

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Deferimento

#9.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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