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US2416071A Expired / Lapsed US ⏱️ 0.0 years remaining

Spotting device for freight transfer apparatus

Assignee: Individual
•
Filing: 1942-11-06
•
Granted: 1947-02-18
•
Expires: 1962-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Clara E Shonnard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 09:39
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/64; B60P1/6418; B60P1/6436

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE560753C Cited
US679567A Cited
US1388110A Cited
US1801469A Cited
US1922791A Cited
US1820828A Cited
US2127480A Cited
US2252807A Cited
US2342828A Cited
US2292968A Cited
US2285723A Cited
US2337502A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-02-17 1950-08-19 1951-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-02-17 1954-08-19 1955-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-02-17 1958-08-19 1959-02-18 $7700.00 Window Closed / Lapsed

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