← Back to Patent Explorer
US4674254A Expired / Lapsed US ⏱️ 0.0 years remaining

Wood track suspension ceiling system

Assignee: Individual
•
Filing: 1984-10-29
•
Granted: 1987-06-23
•
Expires: 2004-10-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A wooden suspended ceiling assembly is designed to support acoustical tiles and is constructed of a plurality of interlocking wooden members. Cross-extending wooden beams are joined together by notched connectors with the notched connectors being attachable to a conventional ceiling by hooks. The cross-extending wooden members are provided with upwardly extending dowels for positioning tiles, while sidewall and corner connectors also comprise notched wooden blocks.

Inventors

  • 👤 David J. Koehler
  • 👤 Mark G. Koehler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:02
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 196 words
A new and improved suspension ceiling system for retaining conventional ceiling panels, said suspension ceiling system comprising: (a) corner connection means; (b) sidewall connection means; (c) center connection means; and (d) cross-extending member means, said cross-extending member means being engageable with at least one of said corner connection means, said sidewall connection means, and said center connection means to form said suspension ceiling system for retaining conventional ceiling panels, wherein said center connection is provided with an upward extending hook member for facilitating an attachment of said center connection means to a ceiling, wherein said center connection means further includes a pluarlity of notches on a topmost surface thereof, said notches serving to receive ends of said cross-extending member means and wherein said cross-extending member means are provided with bottommost notches on respective ends thereof so as to form extended portions engageable with said notches on said center connection means, and further wherein said corner connection means is of a substantially rectangular shape and includes a bottommost L-shaped extending portion which forms a horizontal planar surface on at least two faces thereof, said horizontal planar surface serving to receive end portions of said cross-extending member means.
Claim 2
Dependent Claim 196 words
A new and improved suspension ceiling system for retaining conventional ceiling panels, said suspension ceiling system comprising: (a) corner connection means; (b) sidewall connection means; (c) center connection means; and (d) cross-extending member means, said cross-extending member means being engageable with at least one of said corner connection means, said sidewall connection means, and said center connection means to form said suspension ceiling system for retaining conventional ceiling panels, wherein said center connection is provided with an upward extending hook member for facilitating an attachment of said center connection means to a ceiling, wherein said center connection means further includes a pluarlity of notches on a topmost surface thereof, said notches serving to receive ends of said cross-extending member means and wherein said cross-extending member means are provided with bottommost notches on respective ends thereof so as to form extended portions engageable with said notches on said center connection means, and further wherein said corner connection means is of a substantially rectangular shape and includes a bottommost L-shaped extending portion which forms a horizontal planar surface on at least two faces thereof, said horizontal planar surface serving to receive end portions of said cross-extending member means.

References Cited (Backward Citations)

US2981386A Cited
US4281498A Cited
US4454700A Cited
US4464876A Cited
US4367616A Cited
US4545165A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-06-22 1990-12-22 1991-06-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-06-22 1994-12-22 1995-06-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-06-22 1998-12-22 1999-06-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag