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Official data from INPI

PISTAO ROTATIVO DE FORMATOS PENTAGONAL,EPTAGONAL E ENEAGONAL COM SECAO TRANSVERSAL CIRCULAR NOS VERTICES DOS POLIGONOS

IndeferidaInvention Patent
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Application data

Number

PI8403667

Type

Invention Patent

Filing

07/20/1984

Publication

02/25/1986
View on INPI

Progress at the INPI

Under appeal
  1. Filing07/20/84
  2. Publication02/25/86
  3. Examination04/05/88
  4. Refused11/28/89
  5. Grant
  6. In force

The application was refused by the INPI on 11/28/1989. The invention was never patented.

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Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. G. (pessoa física)

Inventors

G. [. (pessoa física)

Technical data

IPC Classification

F02B 55/00F02B 55/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/28/1989

RPI 997

Conhecimento de parecer técnico

#7.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Retificação

#15.6

11/24/1987

RPI 892

Retificação

#15.3

09/01/1987

RPI 880

Republicação - classificação IPC

#15.11

04/08/1986

RPI 807

Publicação do pedido de patente

#3.1

02/25/1986

RPI 801

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

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