US3123441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic crystalline lithium aluminum
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:06
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2869
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A SYNTHETIC CRYSTALLINE HYDRATED LITHIUM ALUMINUM SILICATE HAVING LI2O TO AL2O3 MOL RATIO OF ABOUT 1:1 AND A SIO2 TO AL2O3 MOL RATIO OF ABOUT 2:1, SAID SILICATE BEING FURTHER IDENTIFIED BY POSSESSING THE FOLLOWING X-RAY DIFFRACTION PATTERN:
Claim 2
Dependent Claim
38 words
A SYNTHETIC CRYSTALLINE HYDRATED LITHIUM ALUMINUM SILICATE HAVING LI2O TO AL2O3 MOL RATIO OF ABOUT 1:1 AND A SIO2 TO AL2O3 MOL RATIO OF ABOUT 2:1, SAID SILICATE BEING FURTHER IDENTIFIED BY POSSESSING THE FOLLOWING X-RAY DIFFRACTION PATTERN:
References Cited (Backward Citations)
US3009776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |