US2900502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sawtooth voltage generator
Assignee: HYMAC Corp
•
Filing: 1956-05-21
•
Granted: 1959-08-18
•
Expires: 1976-05-21
Abstract
No abstract record available.
Inventors
- 👤 Rudolph L Kuehn
- 👤 Robert K Seigle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:51
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/123; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2265290A
Cited
US2605406A
Cited
US2688696A
Cited
US2629825A
Cited
US2548953A
Cited
US2721977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |