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US2582285A Expired / Lapsed US ⏱️ 0.0 years remaining

Timer for causing brief actuations at prolonged intervals

Assignee: R W CRAMER Co Inc
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Filing: 1948-05-07
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Granted: 1952-01-15
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Expires: 1968-05-07
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene L Schellens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:33
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE196116C Cited
US1863658A Cited
US2164037A Cited
US2341774A Cited
US2471873A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-01-14 1955-07-16 1956-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-01-14 1959-07-16 1960-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-01-14 1963-07-16 1964-01-15 $7700.00 Window Closed / Lapsed

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