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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8101553

Type

Invention Patent

Filing

03/13/1981

Publication

-

Progress at the INPI

  1. Filing03/13/81
  2. Publication
  3. Examination09/13/83
  4. Allowance06/11/85
  5. Grant12/30/86
  6. Expired09/24/96

The letters patent expired on 09/24/1996: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

FR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

110

07/01/1986

RPI 819

Recurso

#12.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

8.1

01/22/1985

RPI 744

Republicação - classificação IPC

#15.11

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Pedido de certificado de adição de invenção

#5.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Carta-patente expirada

#21.1

09/24/1996

RPI 1347

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