USB526388I5
Expired / Lapsed
US
⏱️ 0.0 years remaining
USB526388I5 - - Google Patents
Assignee: —
•
Filing: 1974-11-22
•
Granted: —
•
Expires: 1994-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:05
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/16; H04R1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3377439A
Cited
GB1112130A
Cited
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