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US1229009A Expired / Lapsed US ⏱️ 0.0 years remaining

Pumping-engine.

Assignee: EDWARD DUGAN
•
Filing: 1915-06-07
•
Granted: 1917-06-05
•
Expires: 1935-06-07
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Abstract

No abstract record available.

Inventors

  • 👤 Jesse H Allison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:46
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/044; F01; F01B; F01B3/00; F01B3/0002; F01B3/04; F02B; F02B75/00; F02B75/26; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/141; F04B1/146; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1920-06-04 1920-12-04 1921-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-06-04 1924-12-04 1925-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-06-04 1928-12-04 1929-06-05 $7700.00 Window Closed / Lapsed

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