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US1331320A Expired / Lapsed US ⏱️ 0.0 years remaining

Miner's lamp

Assignee: Individual
•
Filing: 1918-11-07
•
Granted: 1920-02-17
•
Expires: 1938-11-07
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Abstract

No abstract record available.

Inventors

  • 👤 Chomier Louis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:55
CPC Classifications
F; F21; F21L; F21L4/00

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) 1923-02-16 1923-08-18 1924-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-02-16 1927-08-18 1928-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-02-16 1931-08-18 1932-02-17 $7700.00 Window Closed / Lapsed

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