US3057740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic binder for refractory materials
Assignee: Individual
•
Filing: 1959-08-05
•
Granted: 1962-10-09
•
Expires: 1979-08-05
Abstract
No abstract record available.
Inventors
- 👤 John H S Skoning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:26
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN INORGANIC BINDER FOR REFRACTORY MATERIALS CONSISTING ESSENTIALLY OF ABOUT 60% TO 80% OF MONOALUMINUM PHOSPHATE AND 2/% TO 40% SODIUM HEXAMETAPHOSPHATE, THE TOTAL AGGREGATING ABOUT 100%.
Claim 2
Dependent Claim
27 words
AN INORGANIC BINDER FOR REFRACTORY MATERIALS CONSISTING ESSENTIALLY OF ABOUT 60% TO 80% OF MONOALUMINUM PHOSPHATE AND 2/% TO 40% SODIUM HEXAMETAPHOSPHATE, THE TOTAL AGGREGATING ABOUT 100%.
References Cited (Backward Citations)
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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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |