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Official data from INPI

TÚNEL DE SECAGEM COMPACTO

Em AnáliseInvention Patent

Application data

Number

PI8701536

Type

Invention Patent

Filing

04/03/1987

Publication

10/11/1988

Progress at the INPI

  1. Filing04/03/87
  2. Publication10/11/88
  3. Examination10/24/89
  4. Allowance05/08/90
  5. Grant04/30/91
  6. Terminated10/17/95

The patent was granted on 04/30/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vacchi S A Indústria e Comércio

RS, BR

Inventors

C. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

04/30/1991

RPI 1065

Republicação - classificação IPC

#15.11

04/16/1991

RPI 1063

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/08/1990

RPI 1017

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