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Official data from INPI

APARELHO DE CIRCUITO DE VIA E APARELHO DESCODIFICADOR.

ConcedidaInvention Patent

Application data

Number

PI8104671

Type

Invention Patent

Filing

07/21/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing07/21/81
  2. Publication08/31/82
  3. Examination10/30/84
  4. Allowance01/07/86
  5. Grant07/29/86
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN STANDARD INC.

Union Switch & Signal Inc.

US

See this company's full portfolio

Inventors

C. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

193.765 · 10/03/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Republicação - classificação IPC

#15.11

06/18/1985

RPI 765

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

10/30/1984

RPI 732

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

Pedido de licença compulsória

#20.1

05/01/1990

RPI 1016

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