US2789193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive targets
Assignee: Electronics Corp
•
Filing: 1951-05-05
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Granted: 1957-04-16
•
Expires: 1971-05-05
Abstract
No abstract record available.
Inventors
- 👤 Norman C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
H; H10; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/191; H10F30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US919078A
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US1728073A
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US2000379A
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US2236172A
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US2238381A
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US2327222A
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US2412822A
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US2342245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |