US2985518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal titanate preparation
Assignee: NL Industries Inc
•
Filing: 1958-10-01
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Granted: 1961-05-23
•
Expires: 1978-10-01
Abstract
No abstract record available.
Inventors
- 👤 Malcolm D Beals
- 👤 Merker Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:20
CPC Classifications
C; C30; C30B; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
PROCESS FOR REDUCING THE COLOR AND INCREASING THE TRANSPARENCY OF AN ALLEALED STRONTIUM TITANATE BOULE WHICH COMPRISES HEATING SAID BOULE IN THE PRESENCE OF A NON-REACTIVE ATMOSPHERE AT A TEMPERATURE OF 500$C. TO 1000$C.
Claim 2
Dependent Claim
34 words
PROCESS FOR REDUCING THE COLOR AND INCREASING THE TRANSPARENCY OF AN ALLEALED STRONTIUM TITANATE BOULE WHICH COMPRISES HEATING SAID BOULE IN THE PRESENCE OF A NON-REACTIVE ATMOSPHERE AT A TEMPERATURE OF 500$C. TO 1000$C.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |