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US2478044A Expired / Lapsed US ⏱️ 0.0 years remaining

Window structure

Assignee: SIDNEY S STEARNS
•
Filing: 1947-02-11
•
Granted: 1949-08-02
•
Expires: 1967-02-11
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Abstract

No abstract record available.

Inventors

  • 👤 Gargiulo Giuseppe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 05:14
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5009; E06B3/5018

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1659103A Cited
US1750664A Cited
US2293944A Cited
US2313827A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-08-01 1953-01-31 1953-08-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-08-01 1957-01-31 1957-08-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-08-01 1961-01-31 1961-08-02 $7700.00 Window Closed / Lapsed

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