US3524235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for assembling a multiple electron gun structure for cathode ray tube
Assignee: GTE Sylvania Inc
•
Filing: 1968-03-06
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Granted: 1970-08-18
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Expires: 1988-03-06
Abstract
No abstract record available.
Inventors
- 👤 Glen A Burdick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:36
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/48; H01J29/50; H01J29/506; H01J29/82; H01J9/00; H01J9/02; H01J9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3340035A
Cited
US3399440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |