Historical clue formulations

• Bars on an energy bar, say, for short — 2026-04-22
• ___ code (what most product packages have) — 2026-01-19
• Short lines at the register? — 2025-08-04
• Lines at a grocery store — 2025-01-25
• Bars to be scanned, in brief — 2023-03-21
• Proof-of-purchase letters — 2022-09-28
• What a grocery scanner scans, for short — 2021-11-22
• Checkout lines? — 2018-02-15
• Scanned lines on a pkg. — 2018-01-29
• Scanned bars, for short — 2017-01-18
• Supermarket checkout lines? — 2016-09-13
• Something a scanner scans, in brief — 2016-06-07
• What a checkout scanner scans, briefly — 2015-07-06
• Shopping lines? — 2015-06-07
• Something a scanner scans, in brief — 2014-04-22
• It's scanned in a store, for short — 2013-10-09
• Lines first used on a pack of Wrigley's gum: Abbr. — 2013-06-06
• Lines at a store, for short — 2012-04-25
• It's scanned at checkout: Abbr. — 2011-06-06
• Lines scanned by a supermarket scanner, in brief — 2011-02-07
• Short lines at checkout? — 2010-11-20
• Supermarket lines, for short — 2010-11-13
• Scanned lines, for short — 2010-04-11
• Lines at a checkout counter?: Abbr. — 2009-01-09
• It's read for a price: Abbr. — 2006-12-08
• Merchandise ID — 2006-08-17
• Kind of symbol — 2006-08-13
• Scanner's scan, for short — 2006-05-02
• It's often below an ISBN — 2005-08-14
• It's scanned at checkout: Abbr. — 2005-07-25
• Bars at the checkout counter: Abbr. — 2004-01-27
• It's scanned in mkts. — 2003-04-30
• Cash bars? — 2001-10-26
• Checkout lines, briefly — 2001-06-13
• Lines at a checkout?: Abbr. — 2000-04-02
• It's shown in bars: Abbr. — 1997-09-10
• ____ symbol (bar code) — 1995-09-25
• Inventory aid: Abbr. — 1995-06-10
• Kind of symbol — 1994-04-05