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US2776524A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1955-01-04
•
Granted: 1957-01-08
•
Expires: 1975-01-04
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Abstract

No abstract record available.

Inventors

  • 👤 George A Healis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 07:41
CPC Classifications
A; A63; A63H; A63H1/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US615930A Cited
US1115863A Cited
US1462221A Cited
US1639526A Cited
US2177878A Cited
US2432774A Cited
US2611995A Cited
FR1025678A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-08 1960-07-09 1961-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-08 1964-07-09 1965-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-08 1968-07-09 1969-01-08 $7700.00 Window Closed / Lapsed

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