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US2487154A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: ROBINS AND MYERS Inc
•
Filing: 1946-04-10
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Granted: 1949-11-08
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Expires: 1966-04-10
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Abstract

No abstract record available.

Inventors

  • 👤 Tom C Lloyd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:49
CPC Classifications
—

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1275780A Cited
US1780302A Cited
US2066145A Cited
US2355041A Cited
US2417368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-11-07 1953-05-09 1953-11-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-11-07 1957-05-09 1957-11-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-11-07 1961-05-09 1961-11-08 $7700.00 Window Closed / Lapsed

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