US3373357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlled mode plasma diagnostic apparatus
Assignee: Lockheed Martin Corp
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Filing: 1965-01-04
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Granted: 1968-03-12
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Peter P Keenan
- 👤 Frank L Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:23
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/0006; B; B64; B64G; B64G1/00; B64G1/22; B64G1/62
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |