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Assignee: MARGARET REDICK PENNINGTON
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Filing: 1949-06-08
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Granted: 1955-08-09
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Expires: 1969-06-08
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Watson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:46
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/2805; B65G69/2811; B65G69/2817; B65G69/2823

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US386355A Cited
US693340A Cited
US1112543A Cited
US1106074A Cited
US1174864A Cited
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US1905947A Cited
US2354922A Cited
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US2568330A Cited
US2436017A Cited
US2560064A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-08-08 1959-02-07 1959-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-08-08 1963-02-07 1963-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-08-08 1967-02-07 1967-08-09 $7700.00 Window Closed / Lapsed

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