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Official data from INPI

DISPOSITIVO PARA A TROCA DE CALOR E/OU DE MATÉRIA

PublicadaInvention Patent

Application data

Number

PI8701625

Type

Invention Patent

Filing

04/07/1987

Publication

01/26/1988

Progress at the INPI

  1. Filing04/07/87
  2. Publication01/26/88
  3. Abandoned11/13/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sulzer Brasil S/A

RJ, BR

Inventors

F. G. (pessoa física)

AT

M. M. (pessoa física)

US

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

849.002 · 04/07/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Arquivamento - Art. 36 §1° da LPI

#11.2

12/27/1994

RPI 1256

Exigência - art. 36 da LPI

#6.1

03/29/1994

RPI 1217

14.7

02/16/1994

RPI 1211

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

14.4

03/01/1990

RPI 1007

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