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Official data from INPI

ENVOLTÓRIO DE PNEUMÁTICO

PublicadaInvention Patent

Application data

Number

PI8801092

Type

Invention Patent

Filing

03/11/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing03/11/88
  2. Publication03/07/89
  3. Examination06/25/91
  4. Allowance09/15/92
  5. Grant05/25/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Generale Des Etablissements Michelin - Michelin et Cie

FR

Michelin & Cie (Compagnie Générale des Etablissements Michelin).

FR

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Inventors

J. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87/03526 · 03/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

14.4

10/25/1988

RPI 940

Pedido de patente depositado

#2.1

07/05/1988

RPI 924

Carta-patente expirada

#21.1

Patente extinta em 11/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/15/1992

RPI 1137

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

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