Delay in filing for maintenance is, I'd read, fatal.
How could she maintain herself for 22 years?
She may be granted only nominal maintenance, if at all granted.
Law aids thevigilant, not the indolent.
You wish to file a fresh application for maintenance from your husband, with whom you have been divorced by the order of the court 22 years before? Or your husband has abandoned you since 22 years from now and you wish to claim it now? Both may be impossible, because you have been surviving without it from the last 22 years.