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Official data from INPI

PROCESSO PARA OPERAR UM VARREDOR ACIONADO A ENERGIA E VARREDOR DE JOGO DIRETO PARA DIANTE E CIRCUITO HIDRAULICO E VARREDOR OPERADO A ENERGIA

Em AnáliseInvention Patent

Application data

Number

PI8504079

Type

Invention Patent

Filing

08/27/1984

Publication

06/17/1986

Progress at the INPI

  1. Filing08/27/84
  2. Publication06/17/86
  3. Examination10/14/86
  4. Refused06/18/91
  5. Grant
  6. In force

The application was refused on 06/18/1991 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TENNANT CO [US]

Inventors

F. B. (pessoa física)

G. E. (pessoa física)

K. W. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

10/31/1989

RPI 993

6.2

05/02/1989

RPI 967

Solicitação de exame técnico

#4.1

10/14/1986

RPI 834

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

111

06/18/1991

RPI 1072

Petição de recurso

#12.2

11/13/1990

RPI 1041

Indeferimento

#9.2

07/31/1990

RPI 1026

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