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US2927735A Expired / Lapsed US ⏱️ 0.0 years remaining

Frequency-control system

Assignee: General Dynamics Corp
•
Filing: 1956-09-19
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Granted: 1960-03-08
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Expires: 1976-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas J Scuitto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:18
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/416; G05B2219/00; G05B2219/30; G05B2219/43; G05B2219/43188

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2386892A Cited
US2321269A Cited
GB571840A Cited
US2581594A Cited
US2627055A Cited
US2781169A Cited
US2744872A Cited
US2820898A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-03-08 1963-09-07 1964-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-03-08 1967-09-07 1968-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-03-08 1971-09-07 1972-03-08 $7700.00 Window Closed / Lapsed

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