Patent US3109259A successfully refreshed from Google Patents.
US3109259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1957-07-02
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Granted: 1963-11-05
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Viall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:56
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/04; F27D1/06; F27D1/08; B; B28; B28B; B28B23/00; B28B23/0018; F23; F23M; F23M5/00; F23M5/06; F27D1/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
PROCESS FOR METAL ENCASING A PREFORMED BASIC REFRACTORY FURNACE LINING BLOCK WHICH COMPRISES ROTATING SAID BLOCK, PLACING ONE END OF AN ELONGATED METAL STRIP ON A LONGITUDINAL FACE OF SAID BLOCK ADJACENT ONE END OF SAID BLOCK, FEEDING SAID ELONGATED METAL STRIP OVER SAID STRIP END AND ONTO SAID BLOCK WHILE ROTATION IS CONTINUED TO FORM A HELICAL WINDING OF SUCCESSIVE COILS OF SAID STRIP ON SAID BLOCK, AND WELDING THE OTHER END OF SAID STRIP TO AN ADJACENT COIL THEREOF, TO FORM A FURNACE LINING ARTICLE.
Claim 2
Dependent Claim
87 words
PROCESS FOR METAL ENCASING A PREFORMED BASIC REFRACTORY FURNACE LINING BLOCK WHICH COMPRISES ROTATING SAID BLOCK, PLACING ONE END OF AN ELONGATED METAL STRIP ON A LONGITUDINAL FACE OF SAID BLOCK ADJACENT ONE END OF SAID BLOCK, FEEDING SAID ELONGATED METAL STRIP OVER SAID STRIP END AND ONTO SAID BLOCK WHILE ROTATION IS CONTINUED TO FORM A HELICAL WINDING OF SUCCESSIVE COILS OF SAID STRIP ON SAID BLOCK, AND WELDING THE OTHER END OF SAID STRIP TO AN ADJACENT COIL THEREOF, TO FORM A FURNACE LINING ARTICLE.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |