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Official data from INPI

PACOTE DE PLACAS DE TRANSFERÊNCIA DE CALOR

Arquivada/ExtintaInvention PatentPCT · SE1988000083

Application data

Number

PI8807383

Type

Invention Patent

Filing

02/25/1988

Publication

03/20/1990

PCT

SE1988000083

Progress at the INPI

  1. Filing02/25/88
  2. Publication03/20/90
  3. Examination06/19/90
  4. Allowance01/29/91
  5. Grant08/27/91
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Air Preheater, Inc

US

Svenska Rotor Maskiner AB

SE

See this company's full portfolio

Inventors

B. P. (pessoa física)

K. K. (pessoa física)

Technical data

Priority claims

SE

8700856-1 · 02/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/02/2003

09/02/2008

RPI 1965

Transferência deferida

#25.1

Transferido de: Svenska Rotor Maskiner Ab

10/23/2001

RPI 1607

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

05/14/1991

RPI 1067

Deferimento

#9.1

01/29/1991

RPI 1052

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

Notificação de entrada na fase nacional - PCT

#1.3

03/20/1990

RPI 1010

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