US2900548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasma generator
Assignee: Individual
•
Filing: 1956-06-06
•
Granted: 1959-08-18
•
Expires: 1976-06-06
Abstract
No abstract record available.
Inventors
- 👤 Winston H Bostick
- 👤 Virgil G Mcintosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:00
CPC Classifications
H; H01; H01T; H01T1/00; H05; H05H; H05H1/00; H05H1/24; H05H1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2168206A
Cited
US2481887A
Cited
US2596865A
Cited
US2754422A
Cited
US2743370A
Cited
US2677771A
Cited
US2840742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |