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US1376166A Expired / Lapsed US ⏱️ 0.0 years remaining

Obstruction-alarm

Assignee: Individual
•
Filing: 1920-01-20
•
Granted: 1921-04-26
•
Expires: 1940-01-20
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Abstract

No abstract record available.

Inventors

  • 👤 Rosenberg Morris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:47
CPC Classifications
H; H01; H01H; H01H17/00; B; B60; B60R; B60R19/00; B60R19/02; B60R19/48; B60R19/483

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) 1924-04-25 1924-10-25 1925-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-04-25 1928-10-25 1929-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-04-25 1932-10-25 1933-04-26 $7700.00 Window Closed / Lapsed

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