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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8103653

Type

Invention Patent

Filing

06/09/1981

Publication

03/02/1982

Progress at the INPI

  1. Filing06/09/81
  2. Publication03/02/82
  3. Examination06/15/82
  4. Allowance07/10/84
  5. Grant12/31/85
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pont-A-Mousson S.A.

FR

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Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

10/15/1985

RPI 782

110

07/30/1985

RPI 771

Recurso

#12.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

6.4

10/18/1983

RPI 678

Exigência - art. 36 da LPI

#6.1

08/30/1983

RPI 671

Pedido de certificado de adição de invenção

#5.1

12/14/1982

RPI 634

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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