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Official data from INPI

ENVOLTÓRIO DE BORRACHA ELÁSTICO PRÉ-FABRICADO E TERMINAÇÃO OU CONEXÃO DE CABO DE MULTINÚCLEO

DeferidaInvention Patent

Application data

Number

PI8303713

Type

Invention Patent

Filing

07/12/1983

Publication

02/21/1984

Progress at the INPI

  1. Filing07/12/83
  2. Publication02/21/84
  3. Examination06/03/86
  4. Allowance08/29/89
  5. Grant03/20/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

B. R. (pessoa física)

DE

M. B. (pessoa física)

DE

R. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

DE

P 32 26 124.1 · 07/13/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

Exigência - art. 36 da LPI

#6.1

12/27/1988

RPI 949

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

02/21/1984

RPI 696

Pedido de patente depositado

#2.1

09/20/1983

RPI 674

Carta-patente expirada

#21.1

Patente extinta em 12/07/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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