US3093774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave ferrite-rotator degaussing system
Assignee: Individual
•
Filing: 1959-06-22
•
Granted: 1963-06-11
•
Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Charles L Christianson
- 👤 Ware Joseph Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:36
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; G; G01; G01S; G01S1/00; G01S1/02; H01; H01P; H01P1/00; H01P1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23217E
Cited
US2347369A
Cited
USRE23311E
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US2768354A
Cited
US2719274A
Cited
US2810867A
Cited
US2898408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |