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Official data from INPI

TROCADOR DE CALOR

Em ExigênciaInvention Patent

Application data

Number

PI8601082

Type

Invention Patent

Filing

03/13/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing03/13/86
  2. Publication11/25/86
  3. Examination12/20/88
  4. Allowance11/27/90
  5. Grant07/30/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Modine Manufacturing Company

US

See this company's full portfolio

Inventors

N. C. (pessoa física)

US

R. A. (pessoa física)

US

S. L. (pessoa física)

US

Z. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

722.653 · 04/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

12/20/1988

RPI 948

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 13/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

03/12/1991

RPI 1058

Deferimento

#9.1

11/27/1990

RPI 1043

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