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Official data from INPI

EXPOSITOR.

Em AnáliseUtility Model

Application data

Number

MU6300793

Type

Utility Model

Filing

06/13/1983

Publication

02/05/1985

Progress at the INPI

  1. Filing06/13/83
  2. Publication02/05/85
  3. Examination05/21/85
  4. Allowance10/29/86
  5. Grant11/24/87
  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.

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Latest action published by the INPI: 06/20/1989. 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

T. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

210

06/20/1989

RPI 974

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/15/1987

RPI 882

110

06/23/1987

RPI 870

Recurso

#12.1

03/04/1987

RPI 854

Deferimento

#9.1

10/29/1986

RPI 836

Exigência - art. 36 da LPI

#6.1

02/12/1986

RPI 799

Solicitação de exame técnico

#4.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

02/05/1985

RPI 746

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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