Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
It could be a combination spring and deadbolt, but at least there was no separate keyhole which there would be most certainly for a deadbolt.
McLaren's Patent Combination Spring Seat and Back, for railroad cars, trams, motor buses, and all vehicles.
Outbuildings include an implement shed and workshop, pig barn, combination spring house and smokehouse, summer kitchen and bake oven, ice house, and combination butcher shop and blacksmith shop (1742).