US3500101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photocapacitive electroluminescent light amplifier
Assignee: GTE Sylvania Inc
•
Filing: 1955-02-02
•
Granted: 1970-03-10
•
Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Laurence Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:02
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AN ELECTROLUMINESCENT UNIT COMPRISING AN ELECTROLUMINESCENT DEVICE AND A PHOTOCAPACITIVE DEVICE IN SERIES.
Claim 2
Dependent Claim
13 words
AN ELECTROLUMINESCENT UNIT COMPRISING AN ELECTROLUMINESCENT DEVICE AND A PHOTOCAPACITIVE DEVICE IN SERIES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |