Patent comparison

Compare Patents

Compare two patents side by side. Add ?a=us/7657849&b=us/8046721 to the URL to load specific patents.

US 2133235

How Glass Fibers Are Spun for Insulation

A 1933 invention by Games Slayter that describes the process of melting glass and blasting it into fine, flexible fibers to create insulation.

Statusexpired

Granted1938

Expires1953

Claims0

Forward citations22

Prior art0

AssigneeOwens Illinois Glass Co

InventorsSlayter Games

Patent B

Add ?b=us/7657849 to compare

How to use

Bookmark a comparison URL to save it. Format: /compare?a=[country]/[number]&b=[country]/[number]. Example: /compare?a=us/7657849&b=us/8046721