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Official data from INPI

MOLA PNEUMÁTICA PARA VEÍCULOS

PublicadaInvention Patent

Application data

Number

PI8703132

Type

Invention Patent

Filing

06/22/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/22/87
  2. Publication03/08/88
  3. Examination04/10/90
  4. Allowance03/12/91
  5. Grant10/29/91
  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: 03/08/1988. 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

W. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

877.950 · 06/23/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 22/06/2002

07/29/2008

RPI 1960

20.4

11/22/1994

RPI 1251

Concessão da patente

#16.1

10/29/1991

RPI 1091

Republicação - classificação IPC

#15.11

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

06/25/1991

RPI 1073

Deferimento

#9.1

03/12/1991

RPI 1058

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

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