US3338017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for steel mat and the like structures for use in reinforced concrete
Assignee: Baustahlgewebe GmbH
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Filing: 1964-08-04
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Granted: 1967-08-29
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Expires: 1984-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ernst Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:44
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16; E04C5/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
IN A STEEL MAT STRUCTURE FOR USE IN REINFORCED CONCRETE CONSTRUCTION BEING COMPRISED OF SETS OF PARALLEL AND INTERSECTING COMPONENT RODS CONNECTED AT THEIR INTERSECTION POINTS, SUPPORTING MEANS TO MAINTAING SAID STRUCTURE AT A PREDETERMINED FIXED DISTANCE FROM THE SURFACE OF A CONCRETE FORMWORK COMPRISING A PLURALITY OF SELF-CONTAINED SPACING ELEMENTS SUPPORTING SAID STRUCTURE AT DIFFERENT POINTS, EACH OF SAID ELEMENTS HAVING THE FORM OF AN INVERTED PYRAMID AND BEING CONSTITUTED BY A PAIR OF V-SHAPED ROD ELEMENTS INTERSECTING ONE ANOTHER AT THE POINTS OF THE V''S, TO PROVIDE A SUPPORTING APEX OF SAID PYRAMID ADAPTED TO BEAR UPON SAID SURFACE, AND A RECTANGULAR BASE COMPRISED OF TWO PAIRS OF PARALLEL ROD ELEMENTS, SAID BASE HAVING EACH OF ITS CORNERS CONNECTED TO ONE OF THE LEGS OF SAID PYRAMID AND BEING CONNECTED TO SAID STRUCTURE.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |