US3416047A
Expired / Lapsed
US
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Opto-pn junction semiconductor having greater recombination in p-type region
Assignee: US Philips Corp
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Filing: 1966-01-20
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Granted: 1968-12-10
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Expires: 1986-01-20
Abstract
No abstract record available.
Inventors
- 👤 Beale Julian Robert Anthony
- 👤 Beer Andrew Francis
- 👤 Newman Peter Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/30; H01S5/32; H01S5/20; H01S5/305; H10; H10F; H10F55/00; H10F55/20; H10F55/25; H10F55/255; H10H; H10H20/00; H10H20/80; H10H20/81; H01S5/2054; H01S5/2059; H10P; H10P14/00; H10P14/20; H10P14/24; H10P14/29; H10P14/2901; H10P14/2907; H10P14/2911; H10P14/34; H10P14/3402; H10P14/3414; H10P14/3421; H10P14/3438; H10P14/3441; H10P14/3444; Y; Y10; Y10S; Y10S148/00; Y10S148/05; Y10S148/072; Y10S148/107; Y10S438/00; Y10S438/914; Y10S438/919
Claims Analysis
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |