US3362017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun memory
Assignee: RTX Corp
•
Filing: 1962-09-04
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Granted: 1968-01-02
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Charles B Brahm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:50
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/26; G11; G11B; G11B11/00; G11B11/03; G11B9/00; G11B9/10; G11C; G11C27/00; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J37/00; H01J37/30; H01J37/302; H04; H04N; H04N5/00; H04N5/76
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
IN AN ELECTRON GUN MEMORY FOR READING AND WRITING INFORMATION IN THE FORM OF DISCRETE CIRCULAR APERTURES, AN ELECTRON GUN PROVIDING AN ELECTRON BEAM OF CIRCULAR CROSS-SECTION WHICH SATISFIES THE EQUATIONS
References Cited (Backward Citations)
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US3072889A
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US2919377A
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US2935369A
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Cited
US3226696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |