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Official data from INPI

TROCADOR DE CALOR DE FILME DESCENDENTE

Em AnáliseInvention Patent

Application data

Number

PI8802046

Type

Invention Patent

Filing

04/28/1988

Publication

11/29/1988

Progress at the INPI

  1. Filing04/28/88
  2. Publication11/29/88
  3. Examination04/04/89
  4. Allowance07/23/91
  5. Grant05/26/92
  6. Terminated10/24/95

The patent was granted on 05/26/1992 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: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

Inventors

A. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

052.398 · 05/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/04/1989

RPI 963

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

09/13/1988

RPI 934

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

11/19/1991

RPI 1094

Deferimento

#9.1

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

01/22/1991

RPI 1051

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