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US3052335A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromagnetic clutch

Assignee: Dynamic Instrument Corp
•
Filing: 1960-03-08
•
Granted: 1962-09-04
•
Expires: 1980-03-08
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Abstract

No abstract record available.

Inventors

  • 👤 Harold E Sulger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:30
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D27/112; F16D67/00; F16D67/02; F16D67/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2899037A Cited
US2401003A Cited
US2618368A Cited
US2857998A Cited
US2884107A Cited
US2965203A Cited
US2966977A Cited
US2937729A Cited
US2954859A Cited
US2919777A Cited
US3016118A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-03 1966-03-05 1966-09-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-03 1970-03-05 1970-09-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-03 1974-03-05 1974-09-04 $7700.00 Window Closed / Lapsed

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