US3232822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of refractory materials by means of cerium oxide-cerium sulfide mixtures and product
Assignee: Union Carbide Corp
•
Filing: 1962-04-19
•
Granted: 1966-02-01
•
Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Harry D Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:56
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/36; C04B28/365; Y; Y10; Y10T; Y10T428/00; Y10T428/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ARTICLE COMPRISING AT LEAST TWO REFRACTORY MATERIALS BONDED TOGETHER BY A THIN LAYER OF A MIXTURE OF SAID REFRACTORY MATERIALS, CEO2, AND AT LEAST ONE SULFIDE SELECTED FROM THE GROUP CONSISTING OF CE3S4 AND CE2S2, AT LEAST A PORTION OF SAID MIXTURE BEING DISPERSED WITHIN THE BONDED SURFACES OF SAID REFRACTORY MATERIALS.
Claim 2
Dependent Claim
53 words
AN ARTICLE COMPRISING AT LEAST TWO REFRACTORY MATERIALS BONDED TOGETHER BY A THIN LAYER OF A MIXTURE OF SAID REFRACTORY MATERIALS, CEO2, AND AT LEAST ONE SULFIDE SELECTED FROM THE GROUP CONSISTING OF CE3S4 AND CE2S2, AT LEAST A PORTION OF SAID MIXTURE BEING DISPERSED WITHIN THE BONDED SURFACES OF SAID REFRACTORY MATERIALS.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |