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Official data from INPI

CONTROLADOR ELETRONICO DE NIVEL DE CAPACITANCIA ELETROSTATICA

Em AnáliseUtility Model

Application data

Number

MU6001555

Type

Utility Model

Filing

11/20/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing11/20/80
  2. Publication08/03/82
  3. Examination10/13/82
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PEXTRON IND ELETRONICA LTDA [BR]

Inventors

F. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

09/13/1988

RPI 934

16.3

09/25/1984

RPI 727

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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