Patent US3305256A successfully refreshed from Google Patents.
US3305256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling grid system
Assignee: Eastern Products Corp
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Filing: 1966-04-01
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Granted: 1967-02-21
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Znamirowski Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:53
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)
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 |