US3466442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the selection of metastable atoms having a predetermined polarization
Assignee: GERALD G OHLSEN
•
Filing: 1967-04-19
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Granted: 1969-09-09
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Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Mckibben
- 👤 Gerald G Ohlsen
- 👤 Ralph R Stevens Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:11
CPC Classifications
G; G21; G21K; G21K1/00; G21K1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3255423A
Cited
US3360740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |