US3340477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic data recording
Assignee: CBS Broadcasting Inc
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Filing: 1961-12-19
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Granted: 1967-09-05
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Peter C Goldmark
- 👤 John M Hollywood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:55
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
DATA-RECORDING APPARATUS, COMPRISING A TARGET ADAPTED TO FORM AND STORE AN ELECTROSTATIC IMAGE IN RESPONSE TO BOMBARDMENT BY CHARGED PARTICLES, MEANS MOUNTED IN SPACED-APART RELATION TO SAID TARGET FOR EFFECTING BOMBARDMENT OF SAID TARGET BY CHARGED PARTICLES, WHEREBY AN ELECTROSTATIC IMAGE IS FORMED AND STORED ON SAID TARGET, AND MEANS FOR APPLYING TO SAID TARGET IN A
Claim 2
Dependent Claim
57 words
DATA-RECORDING APPARATUS, COMPRISING A TARGET ADAPTED TO FORM AND STORE AN ELECTROSTATIC IMAGE IN RESPONSE TO BOMBARDMENT BY CHARGED PARTICLES, MEANS MOUNTED IN SPACED-APART RELATION TO SAID TARGET FOR EFFECTING BOMBARDMENT OF SAID TARGET BY CHARGED PARTICLES, WHEREBY AN ELECTROSTATIC IMAGE IS FORMED AND STORED ON SAID TARGET, AND MEANS FOR APPLYING TO SAID TARGET IN A
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |