US3295272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Raised floor construction
Assignee: Furukawa Casting Co Ltd
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Filing: 1964-06-01
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Granted: 1967-01-03
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kanno Tomonobu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:56
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02405; E04F15/02447; E04F15/02452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A RAISED FLOOR CONSTRUCTION COMPRISING A PLURALITY OF FLOOR PANELS EACH OF WHICH IS PROVIDED WITH AT LEAST THREE SIDES, AN UPPER SURFACE AND A LOWER SURFACE, A PLURALITY OF REINFORCING RIBS DEPENDING FROM SAID LOWER SURFACE AND A SECTOR-SHAPED PROJECTION DEPENDING FROM SAID LOWER SURFACE OF SAID PANEL AT EACH CORNER THEREOF WITH THE APEX OF EACH SECTOR LOCATED AT THE POINT OF INTERSECTION OF TWO ADJACENT SIDES OF SAID PANEL AND THE LOWER SURFACE OF EACH PROJECTION DISPOSED IN THE SAME PLANE AS THE LOWER SURFACES OF SAID RIBS; AND A SUPPORT PEDESTAL HAVING A BASE, A FLAT SUPPORT PLATE HAVING AN UPSTANDING CIRCULAR FLANGE SECURED THERETO AND PROJECTING UPWARDLY THEREFROM AND MEANS ADJUSTABLY SUPPORTING SAID PLATE AT A DESIRED DISTANCE ABOVE SAID BASE; ARCUATE GROOVE MEANS
Claim 2
Dependent Claim
129 words
A RAISED FLOOR CONSTRUCTION COMPRISING A PLURALITY OF FLOOR PANELS EACH OF WHICH IS PROVIDED WITH AT LEAST THREE SIDES, AN UPPER SURFACE AND A LOWER SURFACE, A PLURALITY OF REINFORCING RIBS DEPENDING FROM SAID LOWER SURFACE AND A SECTOR-SHAPED PROJECTION DEPENDING FROM SAID LOWER SURFACE OF SAID PANEL AT EACH CORNER THEREOF WITH THE APEX OF EACH SECTOR LOCATED AT THE POINT OF INTERSECTION OF TWO ADJACENT SIDES OF SAID PANEL AND THE LOWER SURFACE OF EACH PROJECTION DISPOSED IN THE SAME PLANE AS THE LOWER SURFACES OF SAID RIBS; AND A SUPPORT PEDESTAL HAVING A BASE, A FLAT SUPPORT PLATE HAVING AN UPSTANDING CIRCULAR FLANGE SECURED THERETO AND PROJECTING UPWARDLY THEREFROM AND MEANS ADJUSTABLY SUPPORTING SAID PLATE AT A DESIRED DISTANCE ABOVE SAID BASE; ARCUATE GROOVE MEANS
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |