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Assignee: Houdaille Hershey Corp
•
Filing: 1948-03-20
•
Granted: 1952-01-15
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Expires: 1968-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph B Sebok

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:37
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1483379A Cited
US1515949A Cited
US1751915A Cited
US1841347A Cited
FR766983A Cited
FR771513A Cited
US2061570A Cited
US2083132A Cited
US2062090A Cited
US2251789A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-01-14 1955-07-16 1956-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-01-14 1959-07-16 1960-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-01-14 1963-07-16 1964-01-15 $7700.00 Window Closed / Lapsed

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