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US2875478A Expired / Lapsed US ⏱️ 0.0 years remaining

Building wall structure

Assignee: Individual
•
Filing: 1954-08-10
•
Granted: 1959-03-03
•
Expires: 1974-08-10
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Abstract

No abstract record available.

Inventors

  • 👤 Frank V Andre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:25
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/70; E04B2/701; E04B2/705; E04B2/02; E04B2/04; E04B2/06; E04B2/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US323030A Cited
DE565516C Cited
US1813455A Cited
US2158732A Cited
US2339865A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-02 1962-09-01 1963-03-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-02 1966-09-01 1967-03-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-02 1970-09-01 1971-03-03 $7700.00 Window Closed / Lapsed

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