US3484866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct current high voltage generator
Assignee: Jeol Ltd
•
Filing: 1968-04-22
•
Granted: 1969-12-16
•
Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Osamu Nakamura
- 👤 Yasushi Hinaga
- 👤 Makoto Yamamoto
- 👤 Susumu Ohta
- 👤 Tadashi Kawai
- 👤 Kenichi Mizusawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/10; H02M7/103; H05; H05H; H05H5/00; H05H5/04; H05H5/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |