Hanna-Barbera's reputation for using live-action series as templates for their cartoons is well known. For example, Jackie Gleason's seminal Honeymooners begat The Flintstones. Similarly, You'll Never Get Rich (aka Sgt. Bilko) begat Top Cat, and All in the Family's early success led the studio to create Wait 'Til Your Father Gets Home, a syndicated domestic sitcom that premiered in 1972. Locally, Father followed the 6:00 news on Sundays.
Tom Bosley, two years prior to Happy Days, was cast as Harry Boyle, the Father in the title, which might have prepared him for his seminal role as Howard Cunningham on Days.
Hewey1972 uploaded the open:
There have been some that have asked about a revival, after episodes have turned up on Cartoon Network & Boomerang. I don't think so, not when you consider Fox has a glut of domestic comedies now, what with Matt Groening's The Simpsons and Seth MacFarlane's trilogy (Family Guy, American Dad, & The Cleveland Show), plus MacFarlane being green-lighted to revive The Flintstones, also for Fox.