Patent US2890376A successfully refreshed from Google Patents.
US2890376A
Expired / Lapsed
US
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Image producing discharge device
Assignee: US Philips Corp
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Filing: 1955-07-08
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Granted: 1959-06-09
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Adriaan Gerard Van Doorn
- 👤 Jonker Johan Lodewijk Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:51
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/123; H01J31/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1779748A
Cited
US2182152A
Cited
US2186393A
Cited
US2513743A
Cited
US2760119A
Cited
US2698915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |