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Official data from INPI

MOLA PNEUMÁTICA DE LÓBULO ROLANTE TENDO UM EIXO GEOMÉTRICO E UM CURSO AXIAL E DISPOSITIVOS DE ACIONAMENTO POR FLUIDO INCLUINDO A MOLA PNEUMÁTICA

PublicadaInvention Patent

Application data

Number

PI8704816

Type

Invention Patent

Filing

09/18/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/18/87
  2. Publication05/17/88
  3. Examination10/30/90
  4. Allowance07/16/91
  5. Grant05/26/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

See this company's full portfolio

Inventors

M. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

910.903 · 09/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/01/1987

RPI 893

Carta-patente expirada

#21.1

Patente extinta em 18/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

Republicação - classificação IPC

#15.11

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

11/12/1991

RPI 1093

Deferimento

#9.1

07/16/1991

RPI 1076

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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