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US3083453A
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US
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Method of adding a casing to a refractory article
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1957-11-15
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Granted: 1963-04-02
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Expires: 1977-11-15
Abstract
No abstract record available.
Inventors
- 👤 Charles B Reynolds
- 👤 Walter M Eklund
- 👤 Donald C Burklo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:40
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/0018; F; F27; F27D; F27D1/00; F27D1/04; F27D1/06; F27D1/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF APPLYING A METAL CAUSING TO A NONACID REFRACTORY BRICK WHICH COMPRISES FORMING IN SAID BRICK AT LEAST ONE SHALLOW DISCONTINUOUS DEPRESSION IN A LONGITUDINAL FACE, PLACING ON SAID BRICK A U-SHAPED METAL CASING COMPOSED OF A WEB AND TWO ARMS, SAID CASING BEING DISPOSED OVER THREE LONGITUDINAL FACES OF SAID BRICK SUCH THAT ONE OF SAID ARMS IS DISPOSED ABOVE SAID DEPRESSION, APPLYING HEAT TO SAID CASING ABOVE SAID SHALLOW DEPRESSION, AND PRESSING AND LOCALLY DEFORMING SAID METAL CASING INTO SAID SHALLOW DEPRESSION WHILE HEATING.
Claim 2
Independent Claim
88 words
THE METHOD OF APPLYING A METAL CAUSING TO A NONACID REFRACTORY BRICK WHICH COMPRISES FORMING IN SAID BRICK AT LEAST ONE SHALLOW DISCONTINUOUS DEPRESSION IN A LONGITUDINAL FACE, PLACING ON SAID BRICK A U-SHAPED METAL CASING COMPOSED OF A WEB AND TWO ARMS, SAID CASING BEING DISPOSED OVER THREE LONGITUDINAL FACES OF SAID BRICK SUCH THAT ONE OF SAID ARMS IS DISPOSED ABOVE SAID DEPRESSION, APPLYING HEAT TO SAID CASING ABOVE SAID SHALLOW DEPRESSION, AND PRESSING AND LOCALLY DEFORMING SAID METAL CASING INTO SAID SHALLOW DEPRESSION WHILE HEATING.
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |