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US4361996A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceiling renovation system

Assignee: GARDY DAVID J
•
Filing: 1979-12-20
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Granted: 1982-12-07
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Expires: 1999-12-20
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Abstract

Abstract A renovation profile, for covering an exposed T-bar of a suspended ceiling. The profile has a substantially U-shaped cross-section, can be placed around the head of the T-bar, and has sets of spaced tabs for supporting ceiling panels.

Inventors

  • 👤 Robert L. Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:42
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/064; E04B9/22; E04B9/24; E04B9/26; E04B9/34; E04B9/36; E04B9/363; E04B2009/062

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 187 words
In combination with a suspended ceiling: a grid of interconnected T-bars including parallel rows of T-bars extending in a first direction, and parallel rows of T-bars extending in a second direction substantially perpendicular to said first direction and intersecting said first row of T-bars, said rows of T-bars having exposed head surfaces, and a plurality of covers affixed to and covering the exposed head surfaces of one of said parallel rows of T-bars, each of said covers being a metallic body substantially of U-shaped cross-section with a main body portion engaging with an exposed head surface of a T-bar of said one parallel row of T-bars, and with first and second parallel leg portions, respectively extending at an acute and a right angle with respect to said main body portion and engaging with opposite edges of said exposed head surface, portions of said second leg portions being depressed into clamping engagement with said T-bar, a plurality of sets of spaced tabs at each of said main body portions, and a plurality of ceiling panels, respectively suspended from said covers by respective ones of said sets of tabs.
Claim 2
Dependent Claim 187 words
In combination with a suspended ceiling: a grid of interconnected T-bars including parallel rows of T-bars extending in a first direction, and parallel rows of T-bars extending in a second direction substantially perpendicular to said first direction and intersecting said first row of T-bars, said rows of T-bars having exposed head surfaces, and a plurality of covers affixed to and covering the exposed head surfaces of one of said parallel rows of T-bars, each of said covers being a metallic body substantially of U-shaped cross-section with a main body portion engaging with an exposed head surface of a T-bar of said one parallel row of T-bars, and with first and second parallel leg portions, respectively extending at an acute and a right angle with respect to said main body portion and engaging with opposite edges of said exposed head surface, portions of said second leg portions being depressed into clamping engagement with said T-bar, a plurality of sets of spaced tabs at each of said main body portions, and a plurality of ceiling panels, respectively suspended from said covers by respective ones of said sets of tabs.

References Cited (Backward Citations)

GB854243A Cited
US3058172A Cited
US3295284A Cited
US3277622A Cited
US3553915A Cited
US3807114A Cited
US3871150A Cited
US4157000A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-12-06 1986-06-07 1986-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-12-06 1990-06-07 1990-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-12-06 1994-06-07 1994-12-07 $7700.00 Window Closed / Lapsed

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