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US2681746A Expired / Lapsed US ⏱️ 0.0 years remaining

Pallet box unloading hopper

Assignee: HONAN CRANE CORP
•
Filing: 1950-03-16
•
Granted: 1954-06-22
•
Expires: 1970-03-16
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Abstract

No abstract record available.

Inventors

  • 👤 Leslie J Hawkins
  • 👤 Zimmerman Casper John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 07:37
CPC Classifications
B; B65; B65G; B65G7/00; B65G7/02; B65G7/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US352925A Cited
US508327A Cited
US577881A Cited
US579252A Cited
US616016A Cited
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US1986864A Cited
AT140725B Cited
US2036115A Cited
US2210250A Cited
US2323233A Cited
US2345074A Cited
US2388111A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-06-21 1957-12-21 1958-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-06-21 1961-12-21 1962-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-06-21 1965-12-21 1966-06-22 $7700.00 Window Closed / Lapsed

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