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US1377914A Expired / Lapsed US ⏱️ 0.0 years remaining

Pumping of viscous substances

Assignee: Individual
•
Filing: 1919-08-11
•
Granted: 1921-05-10
•
Expires: 1939-08-11
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Abstract

No abstract record available.

Inventors

  • 👤 Newbigin Henry Thornton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 14:20
CPC Classifications
F; F04; F04D; F04D5/00; F04D5/001

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) 1924-05-09 1924-11-08 1925-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-05-09 1928-11-08 1929-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-05-09 1932-11-08 1933-05-10 $7700.00 Window Closed / Lapsed

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