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US1950251A Expired / Lapsed US ⏱️ 0.0 years remaining

Window-sash stop

Assignee: Individual
•
Filing: 1933-01-16
•
Granted: 1934-03-06
•
Expires: 1953-01-16
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Abstract

No abstract record available.

Inventors

  • 👤 Kulefsky Nate

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:11
CPC Classifications
E; E05; E05F; E05F11/00; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148; Y; Y10; Y10S; Y10S292/00; Y10S292/09; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083; Y10T292/1089; Y10T292/1091

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) 1937-03-05 1937-09-04 1938-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-03-05 1941-09-04 1942-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-03-05 1945-09-04 1946-03-06 $7700.00 Window Closed / Lapsed

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