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US3518418A
Expired / Lapsed
US
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Electro-luminescent diode and radiation projector
Assignee: US Philips Corp
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Filing: 1967-12-20
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Granted: 1970-06-30
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Expires: 1987-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jean Claude Dubois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:00
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/84; H10H20/841; H10H20/81; H10H20/819; Y; Y10; Y10S; Y10S362/00; Y10S362/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1126817A
Cited
US3245002A
Cited
US3370174A
Cited
US3302051A
Cited
US3359507A
Cited
US3443140A
Cited
US3387163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |