Patent US3210900A successfully refreshed from Google Patents.
US3210900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite structure
Assignee: Crompton Parkinson Ltd
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Filing: 1962-10-19
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Granted: 1965-10-12
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Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 Sattler Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:03
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/17; E04B5/23; E04B5/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A COMPOSITE STRUCTURE COMPRISING A STEEL BEAM; A SHEAR CONNECTOR STUD HAVING AN UPSET OUTER END, AND AN INNER END WHICH IS BUTT WELDED TO THE BEAM, THE AXIS OF THE STUD BEING PERPENDICULAR TO THE SURFACE OF THE BEAM AT THE POINT OF CONNECTION; A GENERALLY CYLINDRICALLY SHAPED HELICAL WIRE REINFORCEMENT MEMBER SURROUNDING THE STUD AND HAVING A SUBSTANTIALLY FLAT INNER TURN, THE TURN BEING IN A PLANE WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE HELICAL REINFORCEMENT MEMBER, RESTING FLAT AGAINST THE SURFACE OF THE BEAM, THE AXIS OF THE STUD AND TNE AXIS OF THE REINFORCEMENT MEMBER BEING NEARLY PARALLEL, THE INSIDE WINDING DIAMETER OF THE INNER TURN BEING GREATER IN DIAMETER THAN THE LARGEST DIAMETER OF THE STUD; AND A CONCRETE SUPERSTRUCTURE SUPPORTED BY THE BEAM, WITH THE SHEAR CONNECTOR AND THE REINFORCEMENT MEMBER EMBEDDED IN THE SUPERSTRUCTURE AND THE CONCRETE OF THE SUPERSTRUCTURE PERMEATED INTO AND THROUGHTOUT THE TURNS OF THE REINFORCEMENT MEMBER.
Claim 2
Dependent Claim
159 words
A COMPOSITE STRUCTURE COMPRISING A STEEL BEAM; A SHEAR CONNECTOR STUD HAVING AN UPSET OUTER END, AND AN INNER END WHICH IS BUTT WELDED TO THE BEAM, THE AXIS OF THE STUD BEING PERPENDICULAR TO THE SURFACE OF THE BEAM AT THE POINT OF CONNECTION; A GENERALLY CYLINDRICALLY SHAPED HELICAL WIRE REINFORCEMENT MEMBER SURROUNDING THE STUD AND HAVING A SUBSTANTIALLY FLAT INNER TURN, THE TURN BEING IN A PLANE WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE HELICAL REINFORCEMENT MEMBER, RESTING FLAT AGAINST THE SURFACE OF THE BEAM, THE AXIS OF THE STUD AND TNE AXIS OF THE REINFORCEMENT MEMBER BEING NEARLY PARALLEL, THE INSIDE WINDING DIAMETER OF THE INNER TURN BEING GREATER IN DIAMETER THAN THE LARGEST DIAMETER OF THE STUD; AND A CONCRETE SUPERSTRUCTURE SUPPORTED BY THE BEAM, WITH THE SHEAR CONNECTOR AND THE REINFORCEMENT MEMBER EMBEDDED IN THE SUPERSTRUCTURE AND THE CONCRETE OF THE SUPERSTRUCTURE PERMEATED INTO AND THROUGHTOUT THE TURNS OF THE REINFORCEMENT MEMBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |