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Official data from INPI

CONCENTRADO SOLAR E SISTEMA COLETOR DE ENERGIA

Em AnáliseInvention Patent

Application data

Number

PI7708433

Type

Invention Patent

Filing

12/20/1976

Publication

-

Progress at the INPI

  1. Filing12/20/76
  2. Publication
  3. Examination
  4. Allowance11/23/82
  5. Grant06/28/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 02/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E SYSTEMS INC

Inventors

N. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/18/1986

RPI 800

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

04/05/1983

RPI 650

Deferimento

#9.1

11/23/1982

RPI 631

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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