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Assignee: EVANS SPECIALTY CO Inc
•
Filing: 1945-07-14
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Granted: 1951-06-26
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Expires: 1965-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 Luther W Evans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 17:18
CPC Classifications
G; G06; G06M; G06M9/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US196976A Cited
US827792A Cited
US1001814A Cited
US1540462A Cited
US1397189A Cited
US1791569A Cited
DE571349C Cited
US1901137A Cited
US2135316A Cited
CH229868A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-06-25 1954-12-25 1955-06-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-06-25 1958-12-25 1959-06-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-06-25 1962-12-25 1963-06-26 $7700.00 Window Closed / Lapsed

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