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Official data from INPI

DISPOSITIVO DE REFRIGERAÇÃO PARA LAMINADOS TUBULARES PLÁSTICOS, EXTRUDADOS DE UM CABEÇOTE DE SOPRO DE LAMINADOS

Em AnáliseInvention Patent

Application data

Number

PI8504944

Type

Invention Patent

Filing

10/07/1985

Publication

07/22/1986

Progress at the INPI

  1. Filing10/07/85
  2. Publication07/22/86
  3. Examination03/15/88
  4. Allowance11/27/90
  5. Grant05/28/91
  6. Terminated08/15/95

The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Windmoller & Holscher

DE

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Inventors

F. A. (pessoa física)

DE

H. U. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 36 881.7 · 10/08/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

07/22/1986

RPI 822

Pedido de patente depositado

#2.1

12/17/1985

RPI 791

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

05/28/1991

RPI 1069

Deferimento

#9.1

11/27/1990

RPI 1043

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