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US3497786A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor speed control circuit

Assignee: Philips Nuclear Medicine Inc
•
Filing: 1967-08-30
•
Granted: 1970-02-24
•
Expires: 1987-08-30
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Abstract

No abstract record available.

Inventors

  • 👤 Daniel F Lombardo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:30
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/292; H02P7/293

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3348114A Cited
US3401325A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-23 1973-08-25 1974-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-23 1977-08-25 1978-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-23 1981-08-25 1982-02-24 $7700.00 Window Closed / Lapsed

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