US3557511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor structure and building construction panel therefor
Assignee: Hospitality Homes
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Filing: 1968-10-09
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Granted: 1971-01-26
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Expires: 1988-10-09
Abstract
Abstract AN IMPROVED FLOOR STRUCTURE ASSEMBLED FROM CONCRETE AND BUILDING CONSTRUCTION PANELS OF UNIQUE DESIGN. THE PANELS ARE ASSEMBLED IN SIDE-BY-SIDE INTERENGAGED RELATION. THE UPSIDE OF THE ASSEMBLED PANELS PRESENTS A PLURALITY OF TROUGHS HAVING DEFORMATIONS AND KEYING ELEMENTS ASSOCIATED THEREWITH, THE OVERLYING CONCRETE IS UNITED WITH THE PANELS AS A COMPOSITE FLOOR STRUCTURE CAPABLE OF DEVELOPING IMPROVED LOAD-CARRYING CAPACITIES. THE UNDERSIDE OF THE ASSEMBLED PANELS PRESENTS A PLURALITY OF CHANNELS WHICH MAY BE ADAPTED TO PROVIDE ANY ONE OF A VARIETY OF FINISHED CEILING ARRANGEMENTS.
Inventors
- 👤 Bernard E Curran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/065; E04B9/067; E04B9/068; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/38; E04B5/40; F; F16; F16B; F16B5/00; F16B5/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |