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Official data from INPI

MOLA DE AR

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904362

Type

Invention Patent

Filing

08/30/1989

Publication

02/13/1991

Progress at the INPI

  1. Filing08/30/89
  2. Publication02/13/91
  3. Examination07/23/91
  4. Allowance01/18/94
  5. Grant08/30/94
  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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Firestone Tire & Rubber Company

US

See this company's full portfolio

Inventors

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

291.889 · 12/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/08/2004

12/22/2009

RPI 2033

20.4

12/06/1994

RPI 1253

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

Publicação do pedido de patente

#3.1

02/13/1991

RPI 1054

Pedido de patente depositado

#2.1

01/09/1990

RPI 1001

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