US3529200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-emitting phosphor-diode combination
Assignee: General Electric Co
•
Filing: 1968-03-28
•
Granted: 1970-09-15
•
Expires: 1988-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Potter
- 👤 Simeon V Galginaitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/85; H10H20/851; C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7766; C09K11/7767; C09K11/7769; C09K11/7771; C09K11/7772; F; F21; F21K; F21K2/00; F21K2/005; H10H20/8506; H10W; H10W72/00; H10W72/50; H10W72/531; H10W72/536; H10W72/5363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2856553A
Cited
US2979467A
Cited
US3265990A
Cited
US3339074A
Cited
US3418247A
Cited
US3446963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |