US3467885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electromagnetically containing a plasma
Assignee: Xerox Corp
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Filing: 1965-05-20
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Granted: 1969-09-16
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Expires: 1985-05-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon L Cann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/02; H05H1/16
Claims Analysis
Total Claims: 0
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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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |