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US3093099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory roof construction
Assignee: General Refractories Co
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Filing: 1961-02-13
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Granted: 1963-06-11
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Chester E Grigsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:00
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/02; F27D1/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A REFRACTORY ROOF CONSTRUCTION, A PLURALITY OF BASIC REFRACTORY BRICKS ARRANGED SIDE BY SIDE, HAVING HOT ENDS AND COLD ENDS IN COMBINATION WITH STEEL SUPPORTING STRUCTURE ABOVE SAID BRICKS INCLUDING A PLURALITY OF LONGTUDINALLY EXTENDING STEEL BEAMS IN LATERALLY SPACED RELATION EXTENDING ADJACENT THE BRICKS ABOVE THE COLD ENDS AND A PLURALITY OF TRANSVERSELY EXTENDING STEEL CORSET PLATES EXTENDING BETWEEN SAID LONGITUDINALLY EXTENDING BEAMS AND CONNECTED THERETO AND EXTENDING GENERALLY VERTICALLY, SAID BEAMS AND CORSET PLATES BEING IN CONTACT WITH AND TERMINATING AT THE COLD END OF THE BRICKS, AND HANGER MEANS EXTENDING FROM SAID CORSET PLATES THROUGH THE HANGER CONNECTONS OF SAID BRICKS.
Claim 2
Dependent Claim
105 words
IN A REFRACTORY ROOF CONSTRUCTION, A PLURALITY OF BASIC REFRACTORY BRICKS ARRANGED SIDE BY SIDE, HAVING HOT ENDS AND COLD ENDS IN COMBINATION WITH STEEL SUPPORTING STRUCTURE ABOVE SAID BRICKS INCLUDING A PLURALITY OF LONGTUDINALLY EXTENDING STEEL BEAMS IN LATERALLY SPACED RELATION EXTENDING ADJACENT THE BRICKS ABOVE THE COLD ENDS AND A PLURALITY OF TRANSVERSELY EXTENDING STEEL CORSET PLATES EXTENDING BETWEEN SAID LONGITUDINALLY EXTENDING BEAMS AND CONNECTED THERETO AND EXTENDING GENERALLY VERTICALLY, SAID BEAMS AND CORSET PLATES BEING IN CONTACT WITH AND TERMINATING AT THE COLD END OF THE BRICKS, AND HANGER MEANS EXTENDING FROM SAID CORSET PLATES THROUGH THE HANGER CONNECTONS OF SAID BRICKS.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |