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Official data from INPI

PROCESSO DE USINAGEM DE MATERIAIS COMPOSTOS

ConcedidaInvention Patent

Application data

Number

PI8406181

Type

Invention Patent

Filing

12/09/1983

Publication

09/24/1985

Progress at the INPI

  1. Filing12/09/83
  2. Publication09/24/85
  3. Examination10/27/87
  4. Allowance08/23/88
  5. Grant04/25/89
  6. Terminated10/16/90

The patent was granted on 04/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP [US]

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Inventors

S. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Solicitação de exame técnico

#4.1

10/27/1987

RPI 888

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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