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

COLETOR SOLAR À VÁCUO

Arquivada/ExtintaInvention PatentPCT · EP1987000189
Talk to an expert

Application data

Number

PI8707658

Type

Invention Patent

Filing

04/07/1987

Publication

08/15/1989

PCT

EP1987000189
View on INPI

Progress at the INPI

  1. Filing04/07/87
  2. Publication08/15/89
  3. Examination01/23/90
  4. Allowance11/20/90
  5. Grant07/30/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Thermo-Solar Energietechnik GmbH

DE

Inventors

B. K. (pessoa física)

Technical data

IPC Classification

F24J 2/46F24J 2/50

Priority claims

DE

P3611764.1 · 04/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 07/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

03/05/1991

RPI 1057

Deferimento

#9.1

11/20/1990

RPI 1042

Solicitação de exame técnico

#4.1

05/29/1990

RPI 1020

Solicitação de exame técnico

#4.1

01/23/1990

RPI 1003

Related

Patent monitoring

Track this patent in real time.

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