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US1054450A Expired / Lapsed US ⏱️ 0.0 years remaining

Auxiliary lock for doors.

Assignee: Individual
•
Filing: 1912-06-29
•
Granted: 1913-02-25
•
Expires: 1932-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Abraham Satzman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 22:24
CPC Classifications
E; E05; E05B; E05B53/00; E05B53/001; Y; Y10; Y10S; Y10S70/00; Y10S70/49; Y10T; Y10T292/00; Y10T292/08; Y10T292/0908; Y10T292/091; Y10T292/175; Y10T292/19; Y10T70/00; Y10T70/80

Claims Analysis

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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) 1916-02-25 1916-08-26 1917-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1920-02-25 1920-08-26 1921-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1924-02-25 1924-08-26 1925-02-25 $7700.00 Window Closed / Lapsed

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