US3381437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip spline suspended ceiling structure
Assignee: Individual
•
Filing: 1964-04-21
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Granted: 1968-05-07
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Bruce W Kidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:23
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22; E04B9/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ACOUSTIC CEILING ASSEMBLY INCLUDING A SERIES OF HORIZONTALLY SPACED, PARALLEL, HORIZONTAL SUPPORTING BARS, EACH OF SAID BARS HAVING A CONTINUOUS PERIPHERAL, HORIZONTALLY-DISPOSED TILE SUPPORTING FLANGE ALONG ITS LOWER EDGE, A PLURALITY OF SUPPORTING SPLINES SHORTER THAN SAID FLANGES SLIDABLY MOUNTED ON SAID PERIPHERAL FLANGE, EACH OF SAID SPLINES HAVING A BASE PORTION BELOW AND CONTIGUOUS WITH SAID FLANGES AND LOCKING AND SUPPORTING MEMBERS ALONG OPPOSING LONGITUDINAL EDGES THEREOF, SAID SUPPORTING MEMBER FITTING OVER SAID FLANGE AND SAID LOCKING MEMBER PRESSING AGAINST SAID SUPPORTING BAR TO PREVENT THE REMOVAL OF SAID SPLINE FROM SAID PERIPHERAL FLANGE, AND CEILING TILES HAVING KERFS IN OPPOSING EDGES THEREOF, SAID KERFS BEING OF A GREATER LENGTH THAN SAID SPLINES AND FITTING OVER SAID SPLINES WHEREBY SAID TILES ARE RETAINED IN POSITION, WHEREBY SAID TILES MAY BE INDIVIDUALLY REMOVED AND INSTALLED IN SAID ASSEMBLY BY LONGITUDINAL MOVEMENT OF SAID SPLINES ALONG SAID FLANGES.
Claim 2
Dependent Claim
148 words
AN ACOUSTIC CEILING ASSEMBLY INCLUDING A SERIES OF HORIZONTALLY SPACED, PARALLEL, HORIZONTAL SUPPORTING BARS, EACH OF SAID BARS HAVING A CONTINUOUS PERIPHERAL, HORIZONTALLY-DISPOSED TILE SUPPORTING FLANGE ALONG ITS LOWER EDGE, A PLURALITY OF SUPPORTING SPLINES SHORTER THAN SAID FLANGES SLIDABLY MOUNTED ON SAID PERIPHERAL FLANGE, EACH OF SAID SPLINES HAVING A BASE PORTION BELOW AND CONTIGUOUS WITH SAID FLANGES AND LOCKING AND SUPPORTING MEMBERS ALONG OPPOSING LONGITUDINAL EDGES THEREOF, SAID SUPPORTING MEMBER FITTING OVER SAID FLANGE AND SAID LOCKING MEMBER PRESSING AGAINST SAID SUPPORTING BAR TO PREVENT THE REMOVAL OF SAID SPLINE FROM SAID PERIPHERAL FLANGE, AND CEILING TILES HAVING KERFS IN OPPOSING EDGES THEREOF, SAID KERFS BEING OF A GREATER LENGTH THAN SAID SPLINES AND FITTING OVER SAID SPLINES WHEREBY SAID TILES ARE RETAINED IN POSITION, WHEREBY SAID TILES MAY BE INDIVIDUALLY REMOVED AND INSTALLED IN SAID ASSEMBLY BY LONGITUDINAL MOVEMENT OF SAID SPLINES ALONG SAID FLANGES.
References Cited (Backward Citations)
US2340911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |