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Official data from INPI

TUBO CONDUTOR DE EXPANSAO NAO RETRAIDA EM APARELHOS TROCADORES DE CALOR OU SIMILARES

ArquivadaInvention Patent
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Application data

Number

PI8600650

Type

Invention Patent

Filing

01/24/1986

Publication

09/01/1987
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Progress at the INPI

  1. Filing01/24/86
  2. Publication09/01/87
  3. Abandoned04/26/88
  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.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. B. (pessoa física)

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

F28D 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Pedido de patente depositado

#2.1

08/05/1986

RPI 824

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