US3566557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated trellis for the execution without temporary supports of flooring for civil and industrial structures
Assignee: Individual
•
Filing: 1968-07-22
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Granted: 1971-03-02
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Expires: 1988-07-22
Abstract
Abstract BRIDGE STRUCTURE WITH AN ASSEMBLY OF PREFABRICATED SUPPORTING STRUCTURAL UNITS MADE OF REINFORCED OR PRESTRESSED CONCRETE ALLOWING THE EXECUTION WITHOUT TEMPORARY SUPPORTS OF BRIDGE FLOORS WHERE THE FLOORING IS SUPPORTED BETWEEN THE LATERAL BOUNDARIES THEREOF AT AN INTERMEDIATE PORTION THEREOF ON TWO SPACED BEAM STRUCTURES AND HAVING LATERALLY OVERHANGING PORTIONS PROJECTING OUTWARDLY AT BOTH SIDES FROM SAID BEAMS, SAID FLOORS COMPRISING A PLURALITY OF SAID STRUCTURAL UNITS ARRANGED SIDE BY SIDE TRANSVERSE TO THE LONGITUDINAL EXTENSION OF THE BRIDGE AND COVERED BY A CAST-IN-SITU CONCRETE LAYER.
Inventors
- 👤 Rino Comolli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:49
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/12; E01D19/125; E01D2101/00; E01D2101/20; E01D2101/24; E01D2101/26; E01D2101/28
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |