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US2913646A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric condensers

Assignee: AIRCRAFT RADIO CORP
•
Filing: 1956-02-08
•
Granted: 1959-11-17
•
Expires: 1976-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Atherton Noyes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:29
CPC Classifications
H; H01; H01G; H01G5/00; H01G5/38

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1579482A Cited
US1756447A Cited
US2077544A Cited
US2282215A Cited
GB701991A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-11-16 1963-05-18 1963-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-11-16 1967-05-18 1967-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-11-16 1971-05-18 1971-11-17 $7700.00 Window Closed / Lapsed

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