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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM SOQUETE PARA LÂMPADAS FLUORESCENTES, DESTINADA AO ENCAIXE DE PEÇA COM QUE SE O COBRE

Em AnáliseUtility Model

Application data

Number

MU6601342

Type

Utility Model

Filing

08/01/1986

Publication

04/12/1988

Progress at the INPI

  1. Filing08/01/86
  2. Publication04/12/88
  3. Examination09/12/89
  4. Allowance05/14/91
  5. Grant11/26/91
  6. Expired09/17/96

The letters patent expired on 09/17/1996: 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: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse do Brasil S/A

RJ, BR

See this company's full portfolio

Inventors

I. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/12/1989

RPI 986

Publicação do pedido de patente

#3.1

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

Pedido de licença compulsória

#20.1

01/05/1993

RPI 1153

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/27/1991

RPI 1082

Deferimento

#9.1

05/14/1991

RPI 1067

14.1

09/11/1990

RPI 1032

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