Patent US3300938A successfully refreshed from Google Patents.
US3300938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing steel mat structure for concrete slabs
Assignee: Baustahlgewebe GmbH
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Filing: 1964-04-15
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Granted: 1967-01-31
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Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 Andreas Van Schyndel
- 👤 Schmidt Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:11
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A REINFORCED CONCRETE STRUCTURE, A CONCRETE SLAB HAVING EMBEDDED THEREIN A REINFORCING STEEL MAT COMPOSED OF A MULTIPLICITY OF OBLONG RECTANGULAR MAT UNITS EACH CONSISTING OF INTERSECTING LONGITUDINAL AND CROSS BARS RIGIDLY CONNECTED WITH EACH OTHER AT THE INTERSECTION POINTS, SAID UNITS BEING ARRANGED IN JUXTAPOSED AND MUTUALLY OVERLAPPING RELATION WITH AT LEAST TWO MARGINAL LONGITUDINAL BARS OF ONE UNIT OVERYLING THE CORRESPONDING MARGINAL BARS OF AN ADJACENT UNIT WITHIN THE OVERLAP REGIONS OF THE UNITS, AND MARGINAL BARS HAVING A SPACING DISTANCE AND DIAMETER DIFFERING, RESPECTIVELY AND IN THE
Claim 2
Dependent Claim
91 words
IN A REINFORCED CONCRETE STRUCTURE, A CONCRETE SLAB HAVING EMBEDDED THEREIN A REINFORCING STEEL MAT COMPOSED OF A MULTIPLICITY OF OBLONG RECTANGULAR MAT UNITS EACH CONSISTING OF INTERSECTING LONGITUDINAL AND CROSS BARS RIGIDLY CONNECTED WITH EACH OTHER AT THE INTERSECTION POINTS, SAID UNITS BEING ARRANGED IN JUXTAPOSED AND MUTUALLY OVERLAPPING RELATION WITH AT LEAST TWO MARGINAL LONGITUDINAL BARS OF ONE UNIT OVERYLING THE CORRESPONDING MARGINAL BARS OF AN ADJACENT UNIT WITHIN THE OVERLAP REGIONS OF THE UNITS, AND MARGINAL BARS HAVING A SPACING DISTANCE AND DIAMETER DIFFERING, RESPECTIVELY AND IN THE
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |