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US3513768A Expired / Lapsed US ⏱️ 0.0 years remaining

Material handling apparatus

Assignee: RENEWABLE ENERGY TECHNOLOGY Inc A CORP
•
Filing: 1968-06-03
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Granted: 1970-05-26
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Expires: 1988-06-03
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Abstract

No abstract record available.

Inventors

  • 👤 Berton G Altmann
  • 👤 John D Bailey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:09
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/30; B30B9/3082; F; F23; F23G; F23G2205/00; F23G2205/10; F23G2900/00; F23G2900/50209

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2509771A Cited
US2932244A Cited
US2810181A Cited
US3065586A Cited
US3416437A Cited
US3416438A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-25 1973-11-24 1974-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-25 1977-11-24 1978-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-25 1981-11-24 1982-05-26 $7700.00 Window Closed / Lapsed

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