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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8103168

Type

Invention Patent

Filing

05/21/1981

Publication

02/09/1982

Progress at the INPI

  1. Filing05/21/81
  2. Publication02/09/82
  3. Examination01/10/84
  4. Allowance08/13/85
  5. Grant09/30/86
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Morgan Construction Company

US

See this company's full portfolio

Inventors

K. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

110

05/27/1986

RPI 814

Recurso

#12.1

12/10/1985

RPI 790

Deferimento

#9.1

08/13/1985

RPI 773

8.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Pedido de certificado de adição de invenção

#5.1

05/29/1984

RPI 710

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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