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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8100583

Type

Invention Patent

Filing

02/02/1981

Publication

-

Progress at the INPI

  1. Filing02/02/81
  2. Publication
  3. Examination
  4. Allowance09/10/85
  5. Grant04/28/87
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S.p.A. Officine Maccaferri.

IT

Inventors

Z. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

11/25/1986

RPI 840

110

08/12/1986

RPI 825

Recurso

#12.1

12/31/1985

RPI 793

Deferimento

#9.1

09/10/1985

RPI 777

Republicação - classificação IPC

#15.11

04/16/1985

RPI 756

Conhecimento de parecer técnico

#7.1

01/08/1985

RPI 742

Pedido de certificado de adição de invenção

#5.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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