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US3404873A Expired / Lapsed US ⏱️ 0.0 years remaining

Humidifying and moisture diffusing attachment for motor vehicle heaters

Assignee: SIDNEY R ORENS
•
Filing: 1965-10-23
•
Granted: 1968-10-08
•
Expires: 1985-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 Sidney R Orens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:53
CPC Classifications
B; B60; B60H; B60H3/00; B60H3/02; B60H3/022; F; F24; F24F; F24F6/00; F24F6/02; F24F6/04; Y; Y10; Y10S; Y10S261/00; Y10S261/04; Y10S261/15; Y10S261/34

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2333374A Cited
US2431146A Cited
US2585339A Cited
US2552337A Cited
US2649081A Cited
US3033193A Cited
US3259050A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-08 1972-04-08 1972-10-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-08 1976-04-08 1976-10-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-08 1980-04-08 1980-10-08 $7700.00 Window Closed / Lapsed

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