Вопрос снят. Можно отстатусбарить кутабле посредство общего родительского виджета! 
добавлено спустя 47 минут: QVBoxLayout * mainFormLayout;
//	QSplitter * splitter;
	QWidget * canvLayoutWidget1, * canvLayoutWidget2;
    QVBoxLayout * layout1, * layout2;  
	QTable * tbl1, * tbl2;
	QStatusBar * bar1, * bar2;
	QButton *btn;
	
    mainFormLayout = new QVBoxLayout( this, 0, 0, "mainFormLayout"); 
    splitter = new QSplitter( this, "splitter" );
    splitter->setOrientation( QSplitter::Vertical );
    canvLayoutWidget1 = new QWidget( splitter, "layout1widg" );
	canvLayoutWidget2 = new QWidget( splitter, "layout2widg" );
    layout1 = new QVBoxLayout( canvLayoutWidget1, 0, 0, "layout1"); 
	layout2 = new QVBoxLayout( canvLayoutWidget2, 0, 0, "layout2");
    tbl1 = new QTable( canvLayoutWidget1, "tbl1" );
	tbl2 = new QTable( canvLayoutWidget2, "tbl2" );
	bar1 = new QStatusBar (canvLayoutWidget1);
	bar2 = new QStatusBar (canvLayoutWidget2);
	btn = new QPushButton (this);
    layout1->addWidget( tbl1 );
	layout2->addWidget( tbl2 );
	layout1->addWidget (bar1);
	layout2->addWidget (bar2);
    
	mainFormLayout->addWidget( splitter );
	mainFormLayout->addWidget (btn);
    languageChange();
    resize( QSize(563, 455).expandedTo(minimumSizeHint()) );
	clearWState( WState_Polished );
	//ТЕСТОВОЕ
	tbl1->setNumRows( 3 );
    tbl1->setNumCols( 3 );
	tbl2->setNumRows( 3 );
    tbl2->setNumCols( 3 );
    connect (btn, SIGNAL(clicked()), this, SLOT(myClick()));