Patent US3069578A successfully refreshed from Google Patents.
US3069578A
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Assignee: Corning Glass Works
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Filing: 1960-03-31
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Granted: 1962-12-18
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Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 George B Hares
- 👤 John L Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:44
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413; C; C03; C03C; C03C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
IN AN IMAGE ORTHICON TUBE COMPRISING A GLASS ENVELOPE CONTAINING IN LONGITUDINAL ARRANGEMENT A PHOTOCATHODE, A GRID OF FINE METAL GAUZE, A THIN GLASS TARGET AND
Claim 2
Dependent Claim
26 words
IN AN IMAGE ORTHICON TUBE COMPRISING A GLASS ENVELOPE CONTAINING IN LONGITUDINAL ARRANGEMENT A PHOTOCATHODE, A GRID OF FINE METAL GAUZE, A THIN GLASS TARGET AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |