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Official data from INPI

ESTUFA DOMESTICA

Em AnáliseInvention Patent

Application data

Number

PI8400759

Type

Invention Patent

Filing

02/16/1984

Publication

09/11/1984

Progress at the INPI

  1. Filing02/16/84
  2. Publication09/11/84
  3. Examination04/30/85
  4. Allowance04/15/86
  5. Grant09/30/86
  6. Terminated09/06/88

The patent was granted on 09/30/1986 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. N. (pessoa física)

Inventors

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/06/1988

RPI 933

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/15/1986

RPI 808

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação antecipada

#3.2

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Republicação - classificação IPC

#15.11

Reclassificação automática - A classificação anterior era: A01G 9/00

10/05/2021

RPI 2648

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