US2687360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making a multicolor fluorescent screen
Assignee: Rauland Borg Corp
•
Filing: 1951-01-18
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Granted: 1954-08-24
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Expires: 1971-01-18
Abstract
No abstract record available.
Inventors
- 👤 Edward L Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:47
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/322; C; C09; C09K; C09K11/00; C09K11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR866065A
Cited
US2310852A
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US2429849A
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US2485607A
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US2508267A
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US2442961A
Cited
US2543477A
Cited
US2590018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |