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US1725154A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Westinghouse Electric Corp
•
Filing: 1924-08-09
•
Granted: 1929-08-20
•
Expires: 1944-08-09
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Abstract

No abstract record available.

Inventors

  • 👤 Lester O Marsteller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:07
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H04B3/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1932-08-19 1933-02-18 1933-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1936-08-19 1937-02-18 1937-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1940-08-19 1941-02-18 1941-08-20 $7700.00 Window Closed / Lapsed

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