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US2638112A Expired / Lapsed US ⏱️ 0.0 years remaining

Antisiphonage inlet system for washing machines and the like

Assignee: General Electric Co
•
Filing: 1950-06-21
•
Granted: 1953-05-12
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Expires: 1970-06-21
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Abstract

No abstract record available.

Inventors

  • 👤 Winston L Shelton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:42
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/088; Y; Y10; Y10T; Y10T137/00; Y10T137/3149; Y10T137/3185; Y10T137/8593; Y10T137/87571

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US417351A Cited
US2158267A Cited
US2287534A Cited
US2417908A Cited
US2552398A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-05-11 1956-11-10 1957-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-05-11 1960-11-10 1961-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-05-11 1964-11-10 1965-05-12 $7700.00 Window Closed / Lapsed

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