US3370963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Growth of divalent metal aluminates
Assignee: AT&T Inc
•
Filing: 1965-03-24
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Granted: 1968-02-27
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 William A Bonner
- 👤 Le Grand G Van Uitert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:22
CPC Classifications
C; C30; C30B; C30B9/00; C30B9/04; C30B9/08; C30B9/12; C01; C01F; C01F7/00; C01F7/02; C01F7/16; C01F7/162; C01G; C01G9/00; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/26
Claims Analysis
Total Claims: 0
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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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |