US3289372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory support
Assignee: Harbison Walker Refractories Co
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Filing: 1963-10-02
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Granted: 1966-12-06
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Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Mark F Adams
- 👤 Huffaker Ethan Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:08
CPC Classifications
F; F23; F23M; F23M5/00; F23M5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR CONNECTING A MONOLITHIC REFRACTORY LINING TO A SUPPORT WALL HAVING A DIFFERENT COEFFICIENT OF THERMAL EXPANSION COMPRISING: A PLURRALITY OF GENERALLY PARALLEL PRIMARY TRACKS MOUNTABLE ON SAID SUPPORT WALL, A PLURALITY OF GENERALLY PARALLEL SECONDARY TRACKS OVERLYING SAID PRIMARY TRACKS AND EXTENDING IN DIRECTIONS TO INTERSECT THE DIRECTIONS OF SAID PRIMARY TRACKS, MEANS SUPPORTING SAID SECONDARY TRACKS ON SAID PRIMARY TRACKS FOR EXPANSIVE SLIDING MOVEMENT IN THE DIRECTION OF SAID PRIMARY TRACKS, TRACK GUARD ELEMENTS OVERLYING SAID PRIMARY TRACKS AND EXTENDING BETWEEN SAID SECONDARY TRACKS TO SEPARATE THE PRIMARY TRACKS FROM THE REFRACTORY LINING, AND MEANS ENGAGING THE REFRACTORY LINING, SAID LAST MENTIONED MEANS INCLUDING ELEMENTS SLIDABLY ENGAGING
Claim 2
Dependent Claim
110 words
APPARATUS FOR CONNECTING A MONOLITHIC REFRACTORY LINING TO A SUPPORT WALL HAVING A DIFFERENT COEFFICIENT OF THERMAL EXPANSION COMPRISING: A PLURRALITY OF GENERALLY PARALLEL PRIMARY TRACKS MOUNTABLE ON SAID SUPPORT WALL, A PLURALITY OF GENERALLY PARALLEL SECONDARY TRACKS OVERLYING SAID PRIMARY TRACKS AND EXTENDING IN DIRECTIONS TO INTERSECT THE DIRECTIONS OF SAID PRIMARY TRACKS, MEANS SUPPORTING SAID SECONDARY TRACKS ON SAID PRIMARY TRACKS FOR EXPANSIVE SLIDING MOVEMENT IN THE DIRECTION OF SAID PRIMARY TRACKS, TRACK GUARD ELEMENTS OVERLYING SAID PRIMARY TRACKS AND EXTENDING BETWEEN SAID SECONDARY TRACKS TO SEPARATE THE PRIMARY TRACKS FROM THE REFRACTORY LINING, AND MEANS ENGAGING THE REFRACTORY LINING, SAID LAST MENTIONED MEANS INCLUDING ELEMENTS SLIDABLY ENGAGING
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |