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Official data from INPI

UNIDADE DE RESFRIAMENTO PARA UM SISTEMA DE CÉLULAS COMBUSTÍVEIS.

ArquivadaInvention Patent

Application data

Number

PI8102275

Type

Invention Patent

Filing

04/14/1981

Publication

01/12/1982

Progress at the INPI

  1. Filing04/14/81
  2. Publication01/12/82
  3. Examination02/14/84
  4. Allowance08/07/84
  5. Abandoned
  6. In force

The application was allowed on 08/07/1984 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/11/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

K. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

144.090 · 04/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/11/1985

RPI 764

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

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