US3369129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current limiter employing field effect devices
Assignee: International Business Machines Corp
•
Filing: 1966-03-29
•
Granted: 1968-02-13
•
Expires: 1986-03-29
Abstract
No abstract record available.
Inventors
- 👤 Arden J Wolterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/002; G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/20; G05F3/24; H02; H02H; H02H9/00; H02H9/02; H02H9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3134912A
Cited
US3210677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |