Patent US3093221A successfully refreshed from Google Patents.
US3093221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling construction means
Assignee: W J HAERTEL AND CO
•
Filing: 1959-11-18
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Granted: 1963-06-11
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Expires: 1979-11-18
Abstract
No abstract record available.
Inventors
- 👤 Burl O Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:26
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/122; Y; Y10; Y10S; Y10S52/00; Y10S52/05; Y10T; Y10T403/00; Y10T403/44; Y10T403/447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN CEILING CONSTRUCTION MEANS, A FLANGED LONGITUDINAL SUPPORT MEMBER HAVING A WEB NORMAL TO THE FLANGE, A FLANGED TRANSVERSE SUPPORT MEMBER HAVING A WEB NORMAL TO ITS FLANGE, THE WEB OF THE TRANSVERSE MEMBER PROJECTING BEYOND ITS FLANGE WHEREBY THE FLANGE OF THE TRANSVERSE SUPPORT MEMBER MAY BE DISPOSED CO-PLANAR WITH THE FLANGE OF THE LONGITUDINAL MEMBER, WITH THE WEB OF THE TRANSVERSE MEMBER RESTING ON THE FLANGE OF THE LONGITUDINAL MEMBER, A HOLE IN THE WEB OF THE LONGITUDINAL MEMBER ADJACENT THE WEB OF THE TRANSVERSE MEMBER, AND AN INTERLOCKING CLIP READILY DETACHABLY CARRIED BY THE TRANSVERSE MEMBER HAVING A SPRING NOSE ENTERING THE HOLE IN THE LONGITUDINAL MEMBER AND PROVIDING A DETACHABLE INTERLOCKING CONNECTION THEREWITH.
Claim 2
Dependent Claim
117 words
IN CEILING CONSTRUCTION MEANS, A FLANGED LONGITUDINAL SUPPORT MEMBER HAVING A WEB NORMAL TO THE FLANGE, A FLANGED TRANSVERSE SUPPORT MEMBER HAVING A WEB NORMAL TO ITS FLANGE, THE WEB OF THE TRANSVERSE MEMBER PROJECTING BEYOND ITS FLANGE WHEREBY THE FLANGE OF THE TRANSVERSE SUPPORT MEMBER MAY BE DISPOSED CO-PLANAR WITH THE FLANGE OF THE LONGITUDINAL MEMBER, WITH THE WEB OF THE TRANSVERSE MEMBER RESTING ON THE FLANGE OF THE LONGITUDINAL MEMBER, A HOLE IN THE WEB OF THE LONGITUDINAL MEMBER ADJACENT THE WEB OF THE TRANSVERSE MEMBER, AND AN INTERLOCKING CLIP READILY DETACHABLY CARRIED BY THE TRANSVERSE MEMBER HAVING A SPRING NOSE ENTERING THE HOLE IN THE LONGITUDINAL MEMBER AND PROVIDING A DETACHABLE INTERLOCKING CONNECTION THEREWITH.
References Cited (Backward Citations)
US971011A
Cited
US1981973A
Cited
US2217574A
Cited
US2963130A
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US2896752A
Cited
US2990921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |