Alex,
Most of the functionality for the cBizObjNoListMaintForm is in the lower forms. So if you don't want the pageframe just use one of them. cBizObjForm sounds like a good bet for you. It doesn't contain a page frame and it's easy to make this form duplicate all of the behavior. This is what I'd do unless there is functionality specific to cBizObjNoListMaintForm that you need.

I hope this helps,
Bill