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US2517075A Expired / Lapsed US ⏱️ 0.0 years remaining

Door latch handle

Assignee: Individual
•
Filing: 1948-04-27
•
Granted: 1950-08-01
•
Expires: 1968-04-27
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Abstract

No abstract record available.

Inventors

  • 👤 Christopher J Aquila

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:55
CPC Classifications
E; E05; E05B; E05B1/00; E05B1/003; E05B65/00; E05B65/0014; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/869; Y10T403/00; Y10T403/60; Y10T403/606; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20762

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE575904C Cited
US1523022A Cited
US2191294A Cited
US2190951A Cited
US2252855A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-07-31 1954-01-30 1954-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-07-31 1958-01-30 1958-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-07-31 1962-01-30 1962-08-01 $7700.00 Window Closed / Lapsed

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