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US2719005A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical multiplying arrangments

Assignee: Communication Engineering Pty Ltd
•
Filing: 1950-09-26
•
Granted: 1955-09-27
•
Expires: 1970-09-26
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Abstract

No abstract record available.

Inventors

  • 👤 Alan D Lackey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:11
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/40; G06F7/44; G06F7/446

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1876293A Cited
US2165298A Cited
US2070824A Cited
US2260827A Cited
US2332755A Cited
US2473466A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-09-26 1959-03-28 1959-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-09-26 1963-03-28 1963-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-09-26 1967-03-28 1967-09-27 $7700.00 Window Closed / Lapsed

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