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US3215111A Expired / Lapsed US ⏱️ 0.0 years remaining

Anchor

Assignee: Individual
•
Filing: 1963-03-18
•
Granted: 1965-11-02
•
Expires: 1983-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence E Mcdaniel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 01:51
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/24; B63B21/243

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB189620023A Cited
US822420A Cited
US857094A Cited
US1372259A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-01 1969-05-03 1969-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-01 1973-05-03 1973-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-01 1977-05-03 1977-11-02 $7700.00 Window Closed / Lapsed

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