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Official data from INPI

VALVULA PARA PNEUMATICO COM E SEM CAMARA

Em AnáliseInvention Patent
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Application data

Number

PI7801981

Type

Invention Patent

Filing

03/30/1977

Publication

-
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Progress at the INPI

  1. Filing03/30/77
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant01/25/83
  6. Terminated06/29/93

The patent was granted on 01/25/1983 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MICHELIN & CIE

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Inventors

L. J. (pessoa física)

Technical data

IPC Classification

B60C 29/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/25/1988

RPI 940

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Exigência - art. 36 da LPI

#6.1

12/22/1981

RPI 583

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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