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US1399684A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1921-01-17
•
Granted: 1921-12-06
•
Expires: 1941-01-17
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Abstract

No abstract record available.

Inventors

  • 👤 Belcher Mark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:24
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/18; F16K15/184; F16K15/1841; F16K15/182; F16K15/1821; F16K15/02; F16K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/8593; Y10T137/86292; Y10T137/863

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) 1924-12-05 1925-06-06 1925-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-12-05 1929-06-06 1929-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-12-05 1933-06-06 1933-12-06 $7700.00 Window Closed / Lapsed

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