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US2384647A Expired / Lapsed US ⏱️ 0.0 years remaining

X-ray timer

Assignee: Individual
•
Filing: 1943-01-30
•
Granted: 1945-09-11
•
Expires: 1963-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 Myron M Schwarzschild

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:28
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/42

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-09-10 1949-03-12 1949-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-09-10 1953-03-12 1953-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-09-10 1957-03-12 1957-09-11 $7700.00 Window Closed / Lapsed

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