US2983831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bootstrap circuits
Assignee: NEOTEC Corp A CORP OF DE
•
Filing: 1959-02-24
•
Granted: 1961-05-09
•
Expires: 1979-02-24
Abstract
No abstract record available.
Inventors
- 👤 John F Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:31
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/58; H03K4/10; H03K4/12; H03K4/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2837663A
Cited
US2891173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |