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US2820141A
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Control circuit for pulse generator
Assignee: International Standard Electric Corp
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Filing: 1954-06-14
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Granted: 1958-01-14
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Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Weill Camille
- 👤 Hannigsberg Claude
- 👤 Adelaar Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:51
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03K; H03K3/00; H04; H04N; H04N5/00; H04N5/04; H04N5/06
Claims Analysis
Total Claims: 0
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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) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |