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US1944219A Expired / Lapsed US ⏱️ 0.0 years remaining

Flange connection

Assignee: Wright Aeronautical Corp
•
Filing: 1932-01-25
•
Granted: 1934-01-23
•
Expires: 1952-01-25
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Abstract

No abstract record available.

Inventors

  • 👤 Chilton Roland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:17
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/02; F16L23/024; F16L23/028; F16L23/0283

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) 1937-01-22 1937-07-24 1938-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-01-22 1941-07-24 1942-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-01-22 1945-07-24 1946-01-23 $7700.00 Window Closed / Lapsed

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