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US2613524A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking mechanism for window latches

Assignee: Individual
•
Filing: 1949-04-23
•
Granted: 1952-10-14
•
Expires: 1969-04-23
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Abstract

No abstract record available.

Inventors

  • 👤 Neil O Holmsten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 08:32
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/002; Y; Y10; Y10S; Y10S70/00; Y10S70/32; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0959; Y10T292/1039; Y10T292/1041; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5354; Y10T70/5611; Y10T70/5646; Y10T70/565; Y10T70/5655; Y10T70/5659

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US590803A Cited
US1052676A Cited
US1707266A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-10-14 1956-04-14 1956-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-10-14 1960-04-14 1960-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-10-14 1964-04-14 1964-10-14 $7700.00 Window Closed / Lapsed

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