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US2848259A Expired / Lapsed US ⏱️ 0.0 years remaining

Chain securing apparatus

Assignee: Eastern Rotorcraft Corp
•
Filing: 1956-02-07
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Granted: 1958-08-19
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Expires: 1976-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 Huber John Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 12:05
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073; B61; B61D; B61D45/00; B61D45/001; F; F16; F16G; F16G11/00; F16G11/12; F16G15/00; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/295

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US716633A Cited
US789071A Cited
US2420364A Cited
US2673632A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-18 1962-02-17 1962-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-18 1966-02-17 1966-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-18 1970-02-17 1970-08-19 $7700.00 Window Closed / Lapsed

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