US2967254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite photoconductive layer
Assignee: RCA Corp
•
Filing: 1955-02-18
•
Granted: 1961-01-03
•
Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Forgue Stanley Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:31
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J9/00; H01J9/20; H01J9/233; Y; Y10; Y10S; Y10S148/00; Y10S148/064; Y10S148/072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2687484A
Cited
US2744837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |