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US2749453A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric bell motor

Assignee: REEVE ELECTRICAL CO Inc
•
Filing: 1952-04-30
•
Granted: 1956-06-05
•
Expires: 1972-04-30
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph L Cassell
  • 👤 Howard L Caretto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:05
CPC Classifications
G; G10; G10K; G10K1/00; G10K1/06; G10K1/062; G10K1/063; G10K1/064

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US20930A Cited
US341981A Cited
US608175A Cited
US946267A Cited
US937594A Cited
US1098893A Cited
FR770497A Cited
US2033015A Cited
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US2383411A Cited
US2561355A Cited
GB629510A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-06-05 1959-12-05 1960-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-06-05 1963-12-05 1964-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-06-05 1967-12-05 1968-06-05 $7700.00 Window Closed / Lapsed

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