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Official data from INPI

PNEUMATICO COM REVESTIMENTO INTERNO AUTO-OBTURANTE

Em AnáliseInvention Patent
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Application data

Number

PI7801422

Type

Invention Patent

Filing

03/08/1977

Publication

-
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Progress at the INPI

  1. Filing03/08/77
  2. Publication
  3. Examination
  4. Allowance01/24/84
  5. Grant08/28/84
  6. Terminated06/29/93

The patent was granted on 08/28/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MICHELIN & CIE

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Inventors

C. A. (pessoa física)

Technical data

IPC Classification

B60C 19/04B60C 19/12B60C 21/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/01/1988

RPI 941

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

Exigência - art. 36 da LPI

#6.1

02/24/1982

RPI 592

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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