US3307304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite structural systems
Assignee: Individual
•
Filing: 1964-06-02
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Granted: 1967-03-07
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Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Edward S Klausner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:27
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/17; E04B5/23; E04B5/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN AN INSTALLATION FOR ERECTING COMPOSITE CONCRETE AND STEEL CONSTRUCTION COMPRISING A PAIR OF SPACED PARALLEL STRUCTURAL STEEL GIRDERS AND A PLURALITY OF TRANSVERSE PARALLEL STRUCTURAL JOISTS SUPPORTED THEREBETWEEN AT PREDETERMINED DISTANCES THEREALONG, EACH OF SAID JOISTS HAVING A TOP CHANNEL CHORD, A BOTTOM CHORD AND AN OPEN WEB EXTENDING THEREBETWEEN, A SUPPORTING BLOCK FOR EACH END OF SAID JOISTS WELDED TO THE TOP OF THE GIRDERS TO FORM A SHEAR CONNECTOR THEREAT, A SEPARATE INSERTABLE HIGH CHAIR REINFORCEMENT PROVIDED WITH SPACED INTEGRAL DOWNWARDLY EXTENDING FORKED LEGS RESILIENTLY ENGAGING THE INTERNAL WALLS OF THE CHANNEL OF EACH TOP CHORD, CLIPS RESTING ON THE UPPER FLANGES OF SAID JOISTS, SAID CLIPS HAVING LATERALLY PROJECTING FRANGIBLE SUPPORTING LUGS AND EXTENDING INTO THE SPACES BETWEEN SAID JOISTS FOR TEMPORARILY SUPPORTING
Claim 2
Dependent Claim
127 words
IN AN INSTALLATION FOR ERECTING COMPOSITE CONCRETE AND STEEL CONSTRUCTION COMPRISING A PAIR OF SPACED PARALLEL STRUCTURAL STEEL GIRDERS AND A PLURALITY OF TRANSVERSE PARALLEL STRUCTURAL JOISTS SUPPORTED THEREBETWEEN AT PREDETERMINED DISTANCES THEREALONG, EACH OF SAID JOISTS HAVING A TOP CHANNEL CHORD, A BOTTOM CHORD AND AN OPEN WEB EXTENDING THEREBETWEEN, A SUPPORTING BLOCK FOR EACH END OF SAID JOISTS WELDED TO THE TOP OF THE GIRDERS TO FORM A SHEAR CONNECTOR THEREAT, A SEPARATE INSERTABLE HIGH CHAIR REINFORCEMENT PROVIDED WITH SPACED INTEGRAL DOWNWARDLY EXTENDING FORKED LEGS RESILIENTLY ENGAGING THE INTERNAL WALLS OF THE CHANNEL OF EACH TOP CHORD, CLIPS RESTING ON THE UPPER FLANGES OF SAID JOISTS, SAID CLIPS HAVING LATERALLY PROJECTING FRANGIBLE SUPPORTING LUGS AND EXTENDING INTO THE SPACES BETWEEN SAID JOISTS FOR TEMPORARILY SUPPORTING
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |