Patent US2789934A successfully refreshed from Google Patents.
Patent US2859341A successfully refreshed from Google Patents.
US2859341A
Expired / Lapsed
US
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Sawtooth voltage generator
Assignee: US Philips Corp
•
Filing: 1954-08-24
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Granted: 1958-11-04
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Expires: 1974-08-24
Abstract
No abstract record available.
Inventors
- 👤 Goldsmith Michael Nort Grenier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:16
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/20; H03K4/22; G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2176663A
Cited
US2597214A
Cited
US2688696A
Cited
US2627025A
Cited
US2662178A
Cited
US2748271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |