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Official data from INPI

DIAFRAGMA DE COMPRESSOR DE TURBINA DE COMBUSTÃO.

ConcedidaInvention Patent

Application data

Number

PI8300073

Type

Invention Patent

Filing

01/10/1983

Publication

09/20/1983

Progress at the INPI

  1. Filing01/10/83
  2. Publication09/20/83
  3. Examination11/12/85
  4. Allowance06/23/87
  5. Grant12/29/87
  6. Terminated02/18/92

The patent was granted on 12/29/1987 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

A. F. (pessoa física)

M. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

341.037 · 01/20/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

10/20/1987

RPI 887

Deferimento

#9.1

06/23/1987

RPI 870

Exigência - art. 36 da LPI

#6.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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