For some reason, these stories appeared to be popular with readers in the Silver Age, because there were several. In this particular tale, Pa Kent doesn't really gain super-powers. He is struck by a bolt of lightning while wearing a Superman outfit that a tailor had designed as a gimmick, and becomes convinced that he is a Man of Steel. The story features one of the more convenient comic cliches of the Silver Age:
Thus the tale revolves around Superboy helping his dad perform super-feats until he can recover. In the course of the plot, Pa Kent becomes something of a laughingstock of the town. But everybody is surprised when:
However, it turns out that Pa Kent had eventually realized he wasn't really super-powered and pulled a fast one on the townspeople and his son:
Comments: I particularly like the twist ending to this story; Pa Kent seldom got the last laugh in the Silver Age.
The next example of this type of story came exactly a year later, in Adventure #236:
This story starts with Jonathan Kent questioning his usefulness as a parent:
Of course, if he really wanted to help his son, he would have suggested that the lad stop bringing back
strange objects from alien worlds, a frequently disastrous practice that Superboy continued as an adult. And so it is with this story, as the Lad of Steel brings back a rod from outer space that has an unexpected effect:
So Pa Kent becomes Strongman, and "helps and guides" Superboy in his patrols of Smallville. Of course, not being used to super-powers he frequently makes mistakes, and indeed is more of a hindrance to his son.
An amusing subplot involves Lana Lang's mother, who becomes Pa Kent's secret identity snoop just as her daughter had been for years to Superboy:
I don't think Lana's mom made many appearances in the Silver Age; I can't recall another story featuring her prominently.
Anyway, Pa Kent soon finds out that super-powers and a secret identity are a mixed blessing, and when his abilities wear out eventually he decides to leave the heroics to his son. There is a touching moment at the end:
Comments: The sweet ending redeems this tale. The Kents didn't get enough credit in the Silver Age. Sure, Superboy got his super-powers from his Kryptonian parents, but he got his moral upbringing from Jonathan and Martha, and that was easily more important in making him a super
hero.
But Super-Dad was far from finished:
No surprise, it's our old friend the alien object that gives Pa Kent his powers:
This time Jonathan has no intentions of allowing his son to even share the glory:
And indeed it seems like Pa has been jealous of his son's abilities all along. But then Superboy discovers the truth when his "dad" meets one of his robots:
It turns out that the Super-Dad in this case is actually Jax-Ur, an escaped Phantom Zone prisoner, making his first, but by no means last, appearance in the Silver Age.
I suspect that there were more Super-Dad appearances in the Silver Age, but those are the three I know. I don't know of any cases where Martha Kent became Super-Mom. Anybody?