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US2651318A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1947-08-11
•
Granted: 1953-09-08
•
Expires: 1967-08-11
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert B Cates

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:54
CPC Classifications
D; D06; D06F; D06F43/00; D06F43/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/7287; Y10T137/729; Y10T137/8593; Y10T137/85978

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US236740A Cited
US425859A Cited
US431542A Cited
US449390A Cited
US1112111A Cited
US1049895A Cited
US1127387A Cited
US1914541A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-09-07 1957-03-09 1957-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-09-07 1961-03-09 1961-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-09-07 1965-03-09 1965-09-08 $7700.00 Window Closed / Lapsed

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