Actually, Kimber did make a Super Grade. The early versions were stocked by Bishop, Fisher and in-house by Kimber. I actually own SG38 in my collection. You can reference Eaton's "Kimber Collectors and Enthusiasts Manual" for pictures and serial number ranges. Also in 1989 they replaced the Super America for one year with a high end rifle called the Super Grade and I have an example in my collection as well. I have never heard that Winchester had trademarked the term "Super Grade." Do you have a source for that?
They also made other very high end rifles like the Custom Match, the 10th Anniversary and the Centennial.
Source materail?
Every Winchester Catalog in those days had fine print in the back listing all the trademarks owned by the Olin Corporation.
"Super Grade" was damn sure one of them.
Have you EVER stopped to think why only a few dozen "Supergrade" marked Kimbers were ever made in 1981-82 ?
It was because Greg Warne got a letter from OLIN's legal department that Kimber was violating Winchesters trademarks.
Hence the whole "S" grade nonesense.
I ordered one of the very first 1,200 Bishop stocked Kimbers m82s in 1981. I had to send it back because there was a glob of wood putty used to fill a big chip behind the safety rocker. When the gun came back from Kimber with a new handle, it was an Oregon made Claro stock
And yes i know a little bit about the Oregon Kimbers, even though I have not owned any for 20 years now. In the 1980"s and 90's ,I bought at least 30 brand new from dealersvlikebTulsa Troumph,Lawrence Freistad, Nationwide sports and First Stop Gun.
I owned Classics, Custom Classics, " S" grades ,Super Amercas ,a Brownell Continental ,a Custom match,Classic Deluxe ,Extreme Hunters and Classic and Custom Classic Varmints.
Besides the m82s I owned a few m84s and BG-89s. Some of them.were as pretty as any Custom rifle I could have had made.The Oregon Kimbers are pretty, but most don't shoot and/or function worth what they cost..Which is why gradually , mine all got sold off. I do not miss any of them, but that 1982 "S" grade was my favorite..:)