US3405276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image intensifier comprising perforated glass substrate and method of making same
Assignee: United States Department of the Navy
•
Filing: 1965-01-26
•
Granted: 1968-10-08
•
Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Szepesi Zoltan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:35
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2999941A
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US3117232A
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US3059118A
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US2973436A
Cited
US2975291A
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US3015036A
Cited
US2920232A
Cited
US3002102A
Cited
US3204106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |