(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

COMBINAÇÃO NUM PERMUTADOR DE CALOR.

Em AnáliseInvention Patent

Application data

Number

PI8602405

Type

Invention Patent

Filing

05/27/1986

Publication

01/21/1987

Progress at the INPI

  1. Filing05/27/86
  2. Publication01/21/87
  3. Examination03/07/89
  4. Allowance02/05/91
  5. Abandoned
  6. In force

The application was allowed on 02/05/1991 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Water Services Of America, Inc.

Inventors

W. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

738.430 · 05/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/07/1989

RPI 959

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

05/21/1991

RPI 1068

Deferimento

#9.1

02/05/1991

RPI 1053

Exigência - art. 36 da LPI

#6.1

02/13/1990

RPI 1006

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.