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US3466830A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceiling installation

Assignee: Individual
•
Filing: 1968-03-28
•
Granted: 1969-09-16
•
Expires: 1988-03-28
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Abstract

No abstract record available.

Inventors

  • 👤 Ving Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 04:54
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0414; E04B9/003; E04C; E04C2/00; E04C2/30; E04C2/40; E04C2/405

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE546096C Cited
US1168131A Cited
GB529122A Cited
US3236289A Cited
US3321877A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-15 1973-03-17 1973-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-15 1977-03-17 1977-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-15 1981-03-17 1981-09-16 $7700.00 Window Closed / Lapsed

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