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Official data from INPI

CAIXA PARA MECANISMO DE CONTROLE DE TEMPO.

ConcedidaInvention Patent

Application data

Number

PI8304407

Type

Invention Patent

Filing

08/15/1983

Publication

11/06/1984

Progress at the INPI

  1. Filing08/15/83
  2. Publication11/06/84
  3. Examination03/05/85
  4. Allowance10/06/87
  5. Grant06/28/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/28/1988. 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

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

453.768 · 12/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

11.8

08/11/1987

RPI 877

Retificação

#15.3

06/09/1987

RPI 868

6.4

05/06/1986

RPI 811

Republicação - classificação IPC

#15.11

04/01/1986

RPI 806

Exigência - art. 36 da LPI

#6.1

03/25/1986

RPI 805

Exigência - art. 36 da LPI

#6.1

03/11/1986

RPI 803

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

10/25/1983

RPI 679

Carta-patente expirada

#21.1

Patente extinta em 15/08/98

07/01/2008

RPI 1956

20.11

04/16/1996

RPI 1324

20.7

04/16/1996

RPI 1324

20.4

04/09/1996

RPI 1323

Pedido de licença compulsória

#20.1

04/02/1996

RPI 1322

Pedido de licença compulsória

#20.1

11/17/1992

RPI 1146

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