US3050407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single crystal garnets
Assignee: AT&T Inc
•
Filing: 1959-08-25
•
Granted: 1962-08-21
•
Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 James W Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:23
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/34; H01F1/342; H01F1/344; H01F1/346; C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2675; C30; C30B; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/28; C30B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
THE METHOD OF PRODUCING SINGLE CRYSTALS OF THE GARNET STRUCTURE COMPRISING A COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Independent Claim
17 words
THE METHOD OF PRODUCING SINGLE CRYSTALS OF THE GARNET STRUCTURE COMPRISING A COMPOUND REPRESENTED BY THE FORMULA
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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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |