Patent US2956159A successfully refreshed from Google Patents.
US2956159A
Expired / Lapsed
US
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Detector system
Assignee: US Philips Corp
•
Filing: 1955-08-05
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Granted: 1960-10-11
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Expires: 1975-08-05
Abstract
No abstract record available.
Inventors
- 👤 Ebbinge Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:24
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/14; H03D1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733359A
Cited
US2296056A
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US2296100A
Cited
US2296092A
Cited
US2666817A
Cited
US2811590A
Cited
US2802938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |