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Official data from INPI

VÁLVULA DE CONTROLE OPERADA POR PILOTO

PublicadaInvention Patent

Application data

Number

PI8701759

Type

Invention Patent

Filing

04/13/1987

Publication

01/12/1988

Progress at the INPI

  1. Filing04/13/87
  2. Publication01/12/88
  3. Abandoned08/28/90
  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: 01/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deere & Company

US

See this company's full portfolio

Inventors

K. K. (pessoa física)

R. O. (pessoa física)

Technical data

IPC Classification

Priority claims

US

853,312 · 04/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/21/1987

RPI 874

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1991

RPI 1098

Exigência - art. 36 da LPI

#6.1

04/16/1991

RPI 1063

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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