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Official data from INPI

DISPOSIÇÕES EM AQUECEDORES ELÉTRICOS.

Em AnáliseInvention Patent

Application data

Number

PI8500203

Type

Invention Patent

Filing

01/17/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing01/17/85
  2. Publication08/26/86
  3. Examination11/18/86
  4. Allowance03/20/90
  5. Grant11/27/90
  6. Terminated12/24/96

The patent was granted on 11/27/1990 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: 11/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Produtos Elétricos Corona Ltda

SP, BR

See this company's full portfolio

Inventors

H. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/18/1986

RPI 839

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

Anuidade - prazo legal encerrado

#18.2

12/24/1996

RPI 1360

Republicação - classificação IPC

#15.11

05/14/1991

RPI 1067

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

07/31/1990

RPI 1026

Deferimento

#9.1

03/20/1990

RPI 1010

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