US2894209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyromagnetic resonance apparatus
Assignee: Varian Medical Systems Inc
•
Filing: 1953-07-13
•
Granted: 1959-07-07
•
Expires: 1973-07-13
Abstract
No abstract record available.
Inventors
- 👤 Chodorow Marvin
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:22
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/02; H03L7/04; H03C; H03C3/00; H03C3/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2521760A
Cited
US2647239A
Cited
US2559730A
Cited
US2589494A
Cited
US2644930A
Cited
US2645758A
Cited
US2671884A
Cited
US2793360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |