Patent US6451048B1 successfully refreshed from Google Patents.
US3096862A
Expired / Lapsed
US
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Ceiling suspension system with double locking clip
Assignee: W J HAERTEL AND CO
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Filing: 1960-09-07
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Granted: 1963-07-09
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Expires: 1980-09-07
Abstract
No abstract record available.
Inventors
- 👤 Burl O Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:59
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/122; Y; Y10; Y10S; Y10S52/00; Y10S52/05; Y10T; Y10T403/00; Y10T403/16; Y10T403/1616; Y10T403/1624
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
165 words
A CEILING SUSPENSION STRUCTURE COMPRISING: A LONGITUDINAL SUPPORT MEMBER HAVING A WEB AND A PAIR OF FLANGES NORMAL THERETO, SAID WEB HAVING VERTICALLY ALIGNED SLOTS THEREIN; A PAIR OF TRANSVERSE SUPPORT MEMBERS EACH HAVING A WEB AND A PAIR OF FLANGES NORMAL THERETO, EACH OF SAID WEBS HAVING A FIRST EXTENDED PORTION EXTENDING BEYOND THE FLANGES TO BE SUPPORTED BY SAID LONGITUDINAL SUPPORT MEMBER, AND A SECOND EXTENDED PORTION EXTENDING BEYOND THE FLANGES; AND A DETACHABLE DOUBLE LOCKING CLIP ON EACH OF SAID SECOND EXTENDED PORTIONS OF SAID TRANSVERSE SUPPORT MEMBERS, SAID CLIPS BEING INSERTABLE IN THE VERTICALLY ALIGNED SLOTS IN THE WEB OF SAID LONGITUDINAL SUPPORT MEMBER, TO ALIGN THE WEBS OF THE TRANSVERSE SUPPORT MEMBERS ON OPPOSITE SIDES OF THE WEB OF THE LONGITUDINAL SUPPORT MEMBER, SAID CLIPS LOCKING EACH TRANSVERSE SUPPORT MEMBER TO THE LONGITUDINAL SUPPORT MEMBER AND INTERLOCKING EACH TRANSVERSE SUPPORT MEMBER TO EACH OTHER TRANSVERSE SUPPORT MEMBER ALIGNED ON THE OPPOSITE SIDE OF THE WEB OF THE LONGITUDINAL SUPPORT MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |