- Patent
- 594059: Car-Coupling
- Issue date
- 1897-11-23
- Place
- Eastlake, Alabama
- Record strength
- Patent-record facts are attached, but identity evidence remains under review.
- Identity evidence
- Identity evidence pending before promotion.
- Sprint priority
- 7 / not final rank
- Chronology caution
- Chronology gap candidate status is not final chronological holder rank. CultureUp may revise holder rank only after source-led sequence review.
- Cluster
- Public safety and infrastructure
- Identity caution
- Identity-source ledger required before indexable promotion.
- Needed before promotion
- Identity evidence and source-led rail-safety sequence review.
- Why this record matters
- The row adds rail safety, coupling systems, and industrial labor danger to the 1897 chronology gap.