Patent US2833659A successfully refreshed from Google Patents.
US2833659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ceramic product and moldable mix therefor
Assignee: G&WH Corson Inc
•
Filing: 1953-11-09
•
Granted: 1958-05-06
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 William H Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:35
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN THE MANUFACTURE OF A HEAVY CLAY CERAMIC BODY FROM FLY ASH AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CLAYS AND SHALES, AND CONTAINING BETWEEN ABOUT 10% AND 95% BY WEIGHT, BASED ON THE SOLIDS IN THE MIX, OF THE SELECTED MATERIAL, THE STEP WHICH COMPRISES INTIMATELY MIXING WITH SAID FLY ASH AND SAID SELECTED MATERIAL, WATER AND BETWEEN ABOUT 0.01% AND ABOUT 5%, BY WEIGHT, BASED ON THE SOLIDS IN THE MIX, OF A LIGNOSULPHONIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF LIGNOSULPHONIC ACID AND WATER-SOLUBLE SALTS THEREOF.
Claim 2
Dependent Claim
92 words
IN THE MANUFACTURE OF A HEAVY CLAY CERAMIC BODY FROM FLY ASH AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CLAYS AND SHALES, AND CONTAINING BETWEEN ABOUT 10% AND 95% BY WEIGHT, BASED ON THE SOLIDS IN THE MIX, OF THE SELECTED MATERIAL, THE STEP WHICH COMPRISES INTIMATELY MIXING WITH SAID FLY ASH AND SAID SELECTED MATERIAL, WATER AND BETWEEN ABOUT 0.01% AND ABOUT 5%, BY WEIGHT, BASED ON THE SOLIDS IN THE MIX, OF A LIGNOSULPHONIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF LIGNOSULPHONIC ACID AND WATER-SOLUBLE SALTS THEREOF.
References Cited (Backward Citations)
US1228465A
Cited
US1278164A
Cited
US1327758A
Cited
US2287538A
Cited
GB524513A
Cited
US2247120A
Cited
GB653070A
Cited
US2576565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |