US3009993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Picker X Ray Corp
•
Filing: 1956-04-09
•
Granted: 1961-11-21
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Edward B Graves
- 👤 Edwin R Hill
- 👤 Donald S Thorburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:27
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/0005; H01F; H01F29/00; H01F29/02; H01H21/00; H01H21/02; H01H21/18; H01H21/36; H01H21/48
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |