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US3605368A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceiling system with masking strips at panel joints

Assignee: Simpson Timber Co
•
Filing: 1969-09-22
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Granted: 1971-09-20
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Expires: 1989-09-22
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Abstract

Abstract CEILING PANELS MADE OF WET OR DRY FELTED WOOD FIBER WITH A DECORATIVE SURFACE ON THE EXPOSED SURFACE THEREOF ARE INSTALLED BY STAPLING THE CEILING PANELS TO CEILING SUPPORT MEMBERS AT SPACED INTERVALS ALONG GROOVES ROUTED AT INTERVALS IN THE PANELS CORRESPONDING TO THE SPACING OF THE CEILING SUPPORT MEMBERS, AND ALONG THE LENGTHWISE EDGES OF THE PANELS. TO MASK THE STAPLES, GROOVES AND JOINTS BETWEEN THE PANELS AND ELONGATED RESILIENT PLASTIC STRIP HAVING PROTRUSIONS THEREON ADAPTED TO GRPI THE SIDES OF THE GROOVES ARE INSERTED INTO THE GROOVE. THE PLASTIC STRIP LAYS FLUSH WITH THE EXPOSED FACE OF THE CEILING PANEL GIVING THE OVERALL CEILING AN AESTHETICALLY APPEALING APPEARANCE.

Inventors

  • 👤 Elie G Lalouche

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:26
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22; E04B9/24; E04B9/245

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-19 1975-03-21 1975-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-19 1979-03-21 1979-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-19 1983-03-21 1983-09-20 $7700.00 Window Closed / Lapsed

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