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US3187465A Expired / Lapsed US ⏱️ 0.0 years remaining

Hollow block walls for buildings and construction blocks for making such walls

Assignee: Individual
•
Filing: 1963-05-15
•
Granted: 1965-06-08
•
Expires: 1983-05-15
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Abstract

No abstract record available.

Inventors

  • 👤 Giuliano Anthony Philip

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:05
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/14; E04C; E04C1/00; E04C1/39; E04C1/395

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1745765A Cited
US2530940A Cited
FR954267A Cited
US2706442A Cited
US2815938A Cited
US2911818A Cited
US3074477A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-07 1968-12-07 1969-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-07 1972-12-07 1973-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-07 1976-12-07 1977-06-08 $7700.00 Window Closed / Lapsed

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