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US2085593A Expired / Lapsed US ⏱️ 0.0 years remaining

Door closing and checking device

Assignee: NORTON LASIER Co
•
Filing: 1934-02-19
•
Granted: 1937-06-29
•
Expires: 1954-02-19
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Abstract

No abstract record available.

Inventors

  • 👤 David R Lasier

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:53
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/04; E05F3/06; E05F3/22; E05F3/225; E05F3/226; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/656; E05Y2600/00; E05Y2600/40; E05Y2600/452; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1940-06-28 1940-12-28 1941-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-06-28 1944-12-28 1945-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-06-28 1948-12-28 1949-06-29 $7700.00 Window Closed / Lapsed

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