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US2405911A Expired / Lapsed US ⏱️ 0.0 years remaining

Cylinder lock

Assignee: Individual
•
Filing: 1945-05-25
•
Granted: 1946-08-13
•
Expires: 1965-05-25
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Abstract

No abstract record available.

Inventors

  • 👤 Gunnar E Swanson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:10
CPC Classifications
E; E05; E05B; E05B29/00; E05B29/0066; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7616

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) 1949-08-12 1950-02-11 1950-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-08-12 1954-02-11 1954-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-08-12 1958-02-11 1958-08-13 $7700.00 Window Closed / Lapsed

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