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US1774351A Expired / Lapsed US ⏱️ 0.0 years remaining

Double chain and padlock

Assignee: Individual
•
Filing: 1929-02-21
•
Granted: 1930-08-26
•
Expires: 1949-02-21
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Abstract

No abstract record available.

Inventors

  • 👤 Brand Charles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:51
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/36; E05C17/365; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/283

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) 1933-08-25 1934-02-24 1934-08-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1937-08-25 1938-02-24 1938-08-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1941-08-25 1942-02-24 1942-08-26 $7700.00 Window Closed / Lapsed

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