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US3305256A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceiling grid system

Assignee: Eastern Products Corp
•
Filing: 1966-04-01
•
Granted: 1967-02-21
•
Expires: 1986-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Znamirowski Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 02:26
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/122; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/447

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 122 words
A TRANSVERSE MEMBER FOR USE IN A SUSPENDED CEILING COMPRISING AN ELONGATED MEMBER INCLUDING A VERTICAL WEB HAVING OUTWARDLY EXTENDING CEILING-PANEL-SUPPORTING FLANGES, SAID MEMBER INCLUDING UPPER SHOULDER PORTIONS AND LOWER ABUTMENT EDGES AT OPPOSITE ENDS THEREOF, SAID WEB INCLUDING TERMINAL, LONGITUDINALLY EXTENDING TONGUES AT OPPOSITE ENDS THEREOF EXTENDING BEYOND SAID SHOULDER PORTIONS AND THE LOWER ABUTMENT EDGES, ONE OF SAID TERMINAL TONGUES INCLUDING A DOWNWARDLY EXTENDING HOOK PORTION OF THE LOWER EDGE THEREOF, SAID WEB INCLUDING AN ELONGATED LONGITUDINAL EXTENDING SLOT HAVING A VERTICAL EDGE SPACED INWARDLY FROM THE ADJACENT LOWER ABUTMENT EDGE THEREOF AND ADJACENT SAID ONE TERMINAL TONGUE, THE OTHER TERMINAL TONGUE BEING OF THE GREATER LENGTH THAN SAID ONE TERMINAL TONGUE AND INCLUDING A TERMINAL, LATERALLY-BENDABLE, TERMINAL TAB PORTION.
Claim 2
Dependent Claim 122 words
A TRANSVERSE MEMBER FOR USE IN A SUSPENDED CEILING COMPRISING AN ELONGATED MEMBER INCLUDING A VERTICAL WEB HAVING OUTWARDLY EXTENDING CEILING-PANEL-SUPPORTING FLANGES, SAID MEMBER INCLUDING UPPER SHOULDER PORTIONS AND LOWER ABUTMENT EDGES AT OPPOSITE ENDS THEREOF, SAID WEB INCLUDING TERMINAL, LONGITUDINALLY EXTENDING TONGUES AT OPPOSITE ENDS THEREOF EXTENDING BEYOND SAID SHOULDER PORTIONS AND THE LOWER ABUTMENT EDGES, ONE OF SAID TERMINAL TONGUES INCLUDING A DOWNWARDLY EXTENDING HOOK PORTION OF THE LOWER EDGE THEREOF, SAID WEB INCLUDING AN ELONGATED LONGITUDINAL EXTENDING SLOT HAVING A VERTICAL EDGE SPACED INWARDLY FROM THE ADJACENT LOWER ABUTMENT EDGE THEREOF AND ADJACENT SAID ONE TERMINAL TONGUE, THE OTHER TERMINAL TONGUE BEING OF THE GREATER LENGTH THAN SAID ONE TERMINAL TONGUE AND INCLUDING A TERMINAL, LATERALLY-BENDABLE, TERMINAL TAB PORTION.

References Cited (Backward Citations)

CA635717A Cited
CA671476A Cited
US2903104A Cited
US2924311A Cited
US3221846A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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