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US2644135A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1950-03-20
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Granted: 1953-06-30
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Expires: 1970-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Schnoll Nathan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:40
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/145; G01R19/15

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1457784A Cited
GB172102A Cited
US1744706A Cited
US1906644A Cited
US2129524A Cited
FR829522A Cited
US2327774A Cited
US2391229A Cited
US2509815A Cited
US2449150A Cited
US2433511A Cited
US2491031A Cited
US2525768A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-06-29 1956-12-29 1957-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-06-29 1960-12-29 1961-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-06-29 1964-12-29 1965-06-30 $7700.00 Window Closed / Lapsed

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