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Official data from INPI

VÁLVULA DE DISTRIBUIÇÃO.

ArquivadaInvention Patent

Application data

Number

PI8407301

Type

Invention Patent

Filing

05/09/1984

Publication

03/25/1986

Progress at the INPI

  1. Filing05/09/84
  2. Publication03/25/86
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 05/09/1984 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

D. W. (pessoa física)

F. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

593.989 · 03/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

03/25/1986

RPI 805

Arquivamento - Art. 33 da LPI

#11.1

06/25/1991

RPI 1073

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