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Official data from INPI

0DISPOSITIVO AMORTECEDOR PNEUMÁTICO

PublicadaInvention Patent

Application data

Number

PI8901803

Type

Invention Patent

Filing

04/14/1989

Publication

11/28/1989

Progress at the INPI

  1. Filing04/14/89
  2. Publication11/28/89
  3. Examination07/23/91
  4. Allowance01/13/98
  5. Grant08/25/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bridgestone/Firestone, Inc.

US

The Firestone Tire & Rubber Company

US

See this company's full portfolio

Inventors

J. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

181.807 · 04/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Carta-patente expirada

#21.1

Patente extinta em 14/04/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

01/13/1998

RPI 1412

Republicação - classificação IPC

#15.11

01/30/1996

RPI 1313

Exigência - art. 36 da LPI

#6.1

12/19/1995

RPI 1307

Republicação - classificação IPC

#15.11

08/29/1995

RPI 1291

Exigência - art. 36 da LPI

#6.1

05/09/1995

RPI 1275

14.4

11/08/1994

RPI 1249

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

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