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Official data from INPI

MECANISMO DE REGULAGEM DE TEMPO, MEIO DE ACIONAMENTO INTERMITENTE, PROCESSO DE RETARDAMENTO DE ATUAÇÃO DE COMUTADORES ELÉTRICOS E MEIO DE CAME.

Concessão AnuladaInvention Patent

Application data

Number

PI8104890

Type

Invention Patent

Filing

07/29/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing07/29/81
  2. Publication08/31/82
  3. Examination12/14/82
  4. Allowance12/13/83
  5. Grant07/31/84
  6. Expired11/19/96

The letters patent expired on 11/19/1996: 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: 10/23/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eaton Technologies Ltda.

SP, BR

Emhart Industries, Inc.

US

See this company's full portfolio

Inventors

W. E. (pessoa física)

Technical data

Priority claims

US

06/205.012 · 11/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

10/23/1984

RPI 731

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

11/19/1996

RPI 1355

20.4

01/09/1996

RPI 1310

20.7

01/09/1996

RPI 1310

Pedido de licença compulsória

#20.1

01/02/1996

RPI 1309

Pedido de licença compulsória

#20.1

10/27/1992

RPI 1143

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