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Official data from INPI

FITA DE MATRIZ DE CELULA DE COMBUSTIVEL DE CARBONATO FUNDIDO E PROCESSO DE MONTAGEM

ConcedidaInvention Patent

Application data

Number

PI8205467

Type

Invention Patent

Filing

09/30/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing09/30/81
  2. Publication08/23/83
  3. Examination09/18/84
  4. Allowance08/20/85
  5. Grant02/04/86
  6. Terminated06/26/90

The patent was granted on 02/04/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

R. A. (pessoa física)

S. R. (pessoa física)

V. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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