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USB462030I5 Expired / Lapsed US ⏱️ 0.0 years remaining

USB462030I5 - - Google Patents

Assignee: —
•
Filing: 1974-04-18
•
Granted: —
•
Expires: 1994-04-18
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:11
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE1223872B Cited
DE1191411B Cited
US3475557A Cited
GB1206639A Cited

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