US3394085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of producing zinc-doped gallium phosphide
Assignee: US Philips Corp
•
Filing: 1965-08-13
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Granted: 1968-07-23
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Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 Westerveld Willem
- 👤 Graaf Wilhelmus Polycarpus De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:12
CPC Classifications
H; H10; H10P; H10P95/00; C; C30; C30B; C30B11/00; C30B31/00; C30B31/04; H10H; H10H20/00; H10H20/80; H10W; H10W72/00; H10W72/071; H10W72/075; H10W72/07551; H10W72/07552; H10W72/50; H10W72/521; H10W72/522; H10W72/527; H10W72/531; H10W72/536; Y; Y10; Y10S; Y10S148/00; Y10S148/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3293513A
Cited
US3290539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |