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US1361212A Expired / Lapsed US ⏱️ 0.0 years remaining

Oil-tank heater

Assignee: GOOD ROADS CO
•
Filing: 1917-07-13
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Granted: 1920-12-07
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Expires: 1937-07-13
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Abstract

No abstract record available.

Inventors

  • 👤 George I Worley
  • 👤 Charles E Logan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:25
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/0054

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) 1923-12-07 1924-06-07 1924-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-12-07 1928-06-07 1928-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-12-07 1932-06-07 1932-12-07 $7700.00 Window Closed / Lapsed

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