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US2123093A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1936-11-09
•
Granted: 1938-07-05
•
Expires: 1956-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Paul F Bowman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:51
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/64

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) 1941-07-04 1942-01-03 1942-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-07-04 1946-01-03 1946-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-07-04 1950-01-03 1950-07-05 $7700.00 Window Closed / Lapsed

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