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US790979A Expired / Lapsed US ⏱️ 0.0 years remaining

Air cooling device.

Assignee: Individual
•
Filing: 1904-03-17
•
Granted: 1905-05-30
•
Expires: 1924-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 Hiram H Peirce
  • 👤 Edward A Taylor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 16:51
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1908-05-29 1908-11-28 1909-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1912-05-29 1912-11-28 1913-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1916-05-29 1916-11-28 1917-05-30 $7700.00 Window Closed / Lapsed

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