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US2851178A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for unloading containers

Assignee: AT&T Inc
•
Filing: 1955-12-12
•
Granted: 1958-09-09
•
Expires: 1975-12-12
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Abstract

No abstract record available.

Inventors

  • 👤 Wilson W Rea
  • 👤 Lawrence A Squitieri

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:33
CPC Classifications
B; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0347; B65G2814/0356; B65G2814/0359; B65G2814/0379; B65G2814/0392; B65G2814/0394

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2734647A Cited
US1261511A Cited
US1430655A Cited
US2388987A Cited
US2420848A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-09-08 1962-03-10 1962-09-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-09-08 1966-03-10 1966-09-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-09-08 1970-03-10 1970-09-09 $7700.00 Window Closed / Lapsed

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