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Official data from INPI

APERFEIÇOAMENTO EM OU REFERENTE AS ROSCAS MÓVEIS COM DESLOCAMENTO LINEAR PARA PÁTIO DE BIOMASSA

Em AnáliseInvention Patent
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Application data

Number

PI8506449

Type

Invention Patent

Filing

12/23/1985

Publication

06/03/1986
View on INPI

Progress at the INPI

  1. Filing12/23/85
  2. Publication06/03/86
  3. Examination10/21/86
  4. Refused02/02/93
  5. Grant
  6. In force

The application was refused on 02/02/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engenharia e Indústria de Máquinas Zanella Ltda

Engenharia e Indústria de Máquinas Zanell Ltda

SC, BR

Inventors

H. Z. (pessoa física)

BR

Technical data

IPC Classification

B65G 23/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.6

05/23/1989

RPI 970

Alteração de numeração

#15.1

01/31/1989

RPI 954

Pedido de certificado de adição de invenção

#5.1

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

10/21/1986

RPI 835

Publicação antecipada

#3.2

06/03/1986

RPI 815

Pedido de patente depositado

#2.1

03/18/1986

RPI 804

111

02/02/1993

RPI 1157

Petição de recurso

#12.2

03/10/1992

RPI 1110

Indeferimento

#9.2

11/19/1991

RPI 1094

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