US3006856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making yttrium-aluminumiron garnets
Assignee: International Business Machines Corp
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Filing: 1959-12-31
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Granted: 1961-10-31
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Bertram A Calhoun
- 👤 Jr Wilbert L Shevel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:08
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2675
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
THE METHOD OF PREPARING HIGH SPEED, LOW MOMENT YTTRIUM-ALUMINUM-IRON GARNETS OF THE COMPOSITION
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |