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Official data from INPI

CONDUTO DOTADO DE REDUZIDO ESCAPE TÉRMICO EM UMA ÁREA DE JUNÇÃO; JUNTA DE CONDUTO

DeferidaInvention Patent

Application data

Number

PI8406495

Type

Invention Patent

Filing

04/02/1984

Publication

03/12/1985

Progress at the INPI

  1. Filing04/02/84
  2. Publication03/12/85
  3. Examination11/26/85
  4. Allowance10/17/89
  5. Grant04/24/90
  6. Terminated07/04/95

The patent was granted on 04/24/1990 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

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Inventors

J. N. (pessoa física)

US

K. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

481.237 · 04/01/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/17/1989

RPI 991

Exigência - art. 36 da LPI

#6.1

02/28/1989

RPI 958

15.19

12/15/1987

RPI 895

Retificação

#15.3

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1985

RPI 751

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/13/1990

RPI 1006

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