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Official data from INPI

COMPRESSOR DE TURBINA A GÁS

ConcedidaInvention Patent

Application data

Number

PI8201026

Type

Invention Patent

Filing

02/26/1982

Publication

01/04/1983

Progress at the INPI

  1. Filing02/26/82
  2. Publication01/04/83
  3. Examination01/29/85
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Terminated11/15/94

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

238.668 · 02/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Solicitação de exame técnico

#4.1

01/29/1985

RPI 745

Publicação do pedido de patente

#3.1

01/04/1983

RPI 637

Pedido de patente depositado

#2.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

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