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US2864616A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal springboard

Assignee: Individual
•
Filing: 1955-01-17
•
Granted: 1958-12-16
•
Expires: 1975-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond C Rude

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 08:19
CPC Classifications
A; A63; A63B; A63B5/00; A63B5/08; A63B5/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1574563A Cited
US1574586A Cited
US1710350A Cited
US2235883A Cited
US2485165A Cited
US2461086A Cited
US2478993A Cited
US2694475A Cited
US2649304A Cited
US2747871A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-15 1962-06-16 1962-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-15 1966-06-16 1966-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-15 1970-06-16 1970-12-16 $7700.00 Window Closed / Lapsed

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