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US2596305A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording instrument

Assignee: Leupold and Stevens Instruments Inc
•
Filing: 1950-09-25
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Granted: 1952-05-13
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Expires: 1970-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 John C Stevens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:02
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28; G01D9/30; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US495815A Cited
US1163279A Cited
US1558828A Cited
US1494034A Cited
GB225474A Cited
US1846705A Cited
US2000046A Cited
US2037409A Cited
US2050965A Cited
US2358047A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-05-13 1955-11-12 1956-05-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-05-13 1959-11-12 1960-05-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-05-13 1963-11-12 1964-05-13 $7700.00 Window Closed / Lapsed

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