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US2855255A Expired / Lapsed US ⏱️ 0.0 years remaining

Support construction

Assignee: RADA PRODUCTS CO
•
Filing: 1957-03-25
•
Granted: 1958-10-07
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Expires: 1977-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Christian A Sonderstrup

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:18
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/22; F16B12/00; F16B12/10; F16B12/28; F16B12/34; F16B2200/00; F16B2200/40

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US642962A Cited
US1215763A Cited
US1473817A Cited
US1460928A Cited
US1751037A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-06 1962-04-07 1962-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-06 1966-04-07 1966-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-06 1970-04-07 1970-10-07 $7700.00 Window Closed / Lapsed

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