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US2584928A Expired / Lapsed US ⏱️ 0.0 years remaining

Louver type window

Assignee: Individual
•
Filing: 1948-07-29
•
Granted: 1952-02-05
•
Expires: 1968-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Santos Bernardino

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:32
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US147090A Cited
US1551753A Cited
US2329868A Cited
US2490438A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-04 1955-08-06 1956-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-04 1959-08-06 1960-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-04 1963-08-06 1964-02-05 $7700.00 Window Closed / Lapsed

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