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Official data from INPI

PERMUTADOR DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8401333

Type

Invention Patent

Filing

03/22/1984

Publication

02/26/1985

Progress at the INPI

  1. Filing03/22/84
  2. Publication02/26/85
  3. Examination01/27/87
  4. Allowance08/02/88
  5. Grant09/25/90
  6. Terminated05/07/96

The patent was granted on 09/25/1990 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Modine Manufacturing Company

US

See this company's full portfolio

Inventors

D. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

489.705 · 04/29/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

11/22/1988

RPI 944

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

01/12/1988

RPI 899

Pedido de certificado de adição de invenção

#5.1

06/09/1987

RPI 868

Solicitação de exame técnico

#4.1

01/27/1987

RPI 849

Publicação do pedido de patente

#3.1

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

06/12/1984

RPI 712

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

201

12/08/1992

RPI 1149

Pedido de licença voluntária

#17.1

12/03/1991

RPI 1096

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

04/24/1990

RPI 1015

110

01/16/1990

RPI 1002

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