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US3087205A Expired / Lapsed US ⏱️ 0.0 years remaining

Demountable flush type acoustical ceiling construction

Assignee: Individual
•
Filing: 1957-11-29
•
Granted: 1963-04-30
•
Expires: 1977-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph A Mancini

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 13:40
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/064; E04B9/22; E04B9/28; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1984028A Cited
US2309695A Cited
GB588498A Cited
FR1004842A Cited
US2667667A Cited
US2822584A Cited
US2648102A Cited
US2742122A Cited
US2882558A Cited
US2761142A Cited
US2807993A Cited
US2994113A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-29 1966-10-29 1967-04-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-29 1970-10-29 1971-04-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-29 1974-10-29 1975-04-30 $7700.00 Window Closed / Lapsed

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