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US3495384A Expired / Lapsed US ⏱️ 0.0 years remaining

Noxious residue eliminator for smelting plant

Assignee: Individual
•
Filing: 1968-06-24
•
Granted: 1970-02-17
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Expires: 1988-06-24
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Abstract

No abstract record available.

Inventors

  • 👤 Howard Alliger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:47
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B01D49/00; B01D49/006; F; F23; F23J; F23J15/00; F23J15/02; F23J15/04; Y; Y10; Y10S; Y10S261/00; Y10S261/09

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE179626C Cited
US1279895A Cited
US2215484A Cited
US2643105A Cited
US2800100A Cited
US2935375A Cited
US3026966A Cited
US3276419A Cited
US3389971A Cited
US3390869A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-16 1973-08-18 1974-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-16 1977-08-18 1978-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-16 1981-08-18 1982-02-17 $7700.00 Window Closed / Lapsed

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