Real ChatGPT answer · index seedvY5uQeLUOzgcompleteRetail and ecommerce · secondhand and resalecommercial

What are the best methods for dating vintage Pyrex bowls using the stamps on the bottom of the glass

ChatGPTgpt-62 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What are the best methods for dating vintage Pyrex bowls using the stamps on the bottom of the glass
2 real searches · 1 real-search pass
vintage Pyrex bottom markings stamp dating guide trademark patterns dates Pyrex collectorGoogle ↗
OBSERVED
Pyrex backstamp history trademark ovenware USA dates bottom stampGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
vintage Pyrex bottom markings stamp dating guide trademark patterns dates Pyrex collector Google ↗
Pyrex backstamp history trademark ovenware USA dates bottom stamp Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
vintage Pyrex bottom markings stamp dating guide trademark patterns dates Pyrex collector
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Pyrex backstamp history trademark ovenware USA dates bottom stamp
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1