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US1680786A Expired / Lapsed US ⏱️ 0.0 years remaining

Window-sash holder

Assignee: Individual
•
Filing: 1924-11-22
•
Granted: 1928-08-14
•
Expires: 1944-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Luther H Hood
  • 👤 Jacob J Culwell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:55
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/60; E05C17/64; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817

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) 1931-08-14 1932-02-13 1932-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-08-14 1936-02-13 1936-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-08-14 1940-02-13 1940-08-14 $7700.00 Window Closed / Lapsed

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