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Official data from INPI

INTERRUPTOR ELETRICO

Em AnáliseUtility Model
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Application data

Number

MU5600638

Type

Utility Model

Filing

06/01/1976

Publication

-
View on INPI

Progress at the INPI

  1. Filing06/01/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/28/82
  6. Expired12/31/24

The letters patent expired on 12/31/2024: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PIAL IND COM SA

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

H01H 9/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

320

08/20/1985

RPI 774

311

07/02/1985

RPI 767

300

01/02/1985

RPI 741

300

08/14/1984

RPI 721

201

08/07/1984

RPI 720

201

04/17/1984

RPI 704

Pedido de licença voluntária

#17.1

02/07/1984

RPI 694

Pedido de licença voluntária

#17.1

10/25/1983

RPI 679

Concessão da patente

#16.1

12/28/1982

RPI 636

110

08/24/1982

RPI 618

Carta-patente expirada

#21.1

PATENTE EXTINTA EM 01/06/1986

12/31/2024

RPI 2817

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