Old Hammer Brand knife

Hi! Completely 100% new here but I picked up this old knife today from a thrift store for $3, tried to find a date somewhere and found a patent number on one of the blades that I searched up and found it was issued in 1942 and found the stamp for Hammer Brand on one of the other blades. Can

Lot of 2 Hammer Brand USA 1 Working 1 Parts or Repair 1 Blade Pocket Knives

Hammer Brand Knives Stockman - KLC09076 - The Cutting Edge

Imperial & Hammer brand Automatics – Latham's Vintage Sales

CUCHILLOS Y NAVAJAS ANTIGUAS

Hammer Brand Pocket Knife FOR SALE! - PicClick

HAMMER BRAND IMPERIAL CUT 1945-55 VINTAGE AMERICAN AUTOMATIC KNIFE 3 1 – Latham's Vintage Sales

Vintage Hammer Brand pocket knife 2 blades USA

Hammer Brand Pocket Knife FOR SALE! - PicClick

Vintage US Pre WW2 HAMMER BRAND Hunting Knife & Sheath – ANTIQUE & MILITARY FROM BLACKSWAN

Hammer Brand Collectible Pocketknives for sale

From Cattle Knife to Stockman!, Page 8

Hammer Brand Knife for sale

Vintage Hammer USA Sportsman 5 Fixed Blade Hunting Fighting Knife She –

Rare Hammer brand knife - collectibles - by owner - sale - craigslist

Vintage Hammer Brand Pocket Knife Made in the USA

Vintage Hammer Brand Switchblade Folding Knife

What do you suppose this is? Walden Hammer Brand : r/knives

Vintage UNIQUE P 2170537 2281782 3 Blade Pocket Knife FREE SHIPPING