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US2587026A Expired / Lapsed US ⏱️ 0.0 years remaining

Time switch

Assignee: General Time Corp
•
Filing: 1947-11-14
•
Granted: 1952-02-26
•
Expires: 1967-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Elmer H Beiser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:34
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/16; G04C21/18; G04C21/20

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1831605A Cited
US2309065A Cited
US2297090A Cited
US2430286A Cited
US2421986A Cited
US2450287A Cited
US2445223A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-25 1955-08-27 1956-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-25 1959-08-27 1960-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-25 1963-08-27 1964-02-26 $7700.00 Window Closed / Lapsed

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