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Official data from INPI

VÁLVULA DE RETENÇÃO DE VAI E VEM

ArquivadaInvention Patent

Application data

Number

PI8306683

Type

Invention Patent

Filing

12/05/1983

Publication

07/17/1984

Progress at the INPI

  1. Filing12/05/83
  2. Publication07/17/84
  3. Abandoned08/26/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

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Inventors

E. M. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

446.882 · 12/06/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

07/17/1984

RPI 717

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

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