Patent US3517198A successfully refreshed from Google Patents.
US3517198A
Expired / Lapsed
US
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Light emitting and absorbing devices
Assignee: General Electric Co
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Filing: 1966-12-01
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Granted: 1970-06-23
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Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Philipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:56
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/80; H10H20/84; H10F; H10F99/00; H10W; H10W74/00; H10W74/40; H10W74/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2784639A
Cited
FR1190308A
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US3076861A
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US3114652A
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US3160522A
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US3122450A
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US3247392A
Cited
US3246214A
Cited
US3247014A
Cited
US3354316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |