US2889188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making photoconductive image transducer tubes
Assignee: General Electric Co
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Filing: 1955-10-06
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Granted: 1959-06-02
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Expires: 1975-10-06
Abstract
No abstract record available.
Inventors
- 👤 John E Jacobs
- 👤 Berger Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/49; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J31/26; H01J31/48; H01J9/00; H01J9/20; H01J9/233; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041802A
Cited
US2403745A
Cited
US2686735A
Cited
US2687484A
Cited
US2730638A
Cited
US2746831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |