US 2487400
Prior Art
How Earl Tupper Invented the Airtight Plastic Food Container
Patents that US 2487400 cites as prior art — the earlier inventions that this patent builds upon or distinguishes itself from.
CITED PATENTS
11
IN PATENTLENS
0
Citation data
This patent cites 11 prior patents. Citation detail pages are being built out in Phase 2.
Prior art citations are sourced from the USPTO patent database. Only patents indexed in PatentBrief are shown as links — others are recorded by number only.