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US2547996A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable x-ray unit

Assignee: Individual
•
Filing: 1948-06-09
•
Granted: 1951-04-10
•
Expires: 1968-06-09
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Abstract

No abstract record available.

Inventors

  • 👤 Cormack E Boucher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:09
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/02; H05G1/04; H05G1/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE199292C Cited
US2036096A Cited
US1987790A Cited
US2086045A Cited
US1979997A Cited
US2307612A Cited
US2360036A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-04-09 1954-10-09 1955-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-04-09 1958-10-09 1959-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-04-09 1962-10-09 1963-04-10 $7700.00 Window Closed / Lapsed

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