Patent US3072543A successfully refreshed from Google Patents.
US3072543A
Expired / Lapsed
US
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Dielectric signal storage device
Assignee: Individual
•
Filing: 1958-10-08
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Granted: 1963-01-08
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Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Lubow Raymond
- 👤 Lubow Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
G; G11; G11B; G11B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
AN IMPROVED DIELECTRIC SIGNAL STORAGE MEDIUM COMPRISING AN ANODIZED ALUMINUM SURFACE COATED WITH A MIXTURE OF A DIELECTRIC VEHICLE AND CONDUCTIVE PARTICLES SAID MIXTURE COMPRISING A MIXTURE OF WAX AND METALLIC PARTICLES.
Claim 2
Dependent Claim
32 words
AN IMPROVED DIELECTRIC SIGNAL STORAGE MEDIUM COMPRISING AN ANODIZED ALUMINUM SURFACE COATED WITH A MIXTURE OF A DIELECTRIC VEHICLE AND CONDUCTIVE PARTICLES SAID MIXTURE COMPRISING A MIXTURE OF WAX AND METALLIC PARTICLES.
References Cited (Backward Citations)
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US1822072A
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US2157155A
Cited
US2200741A
Cited
US2418804A
Cited
US2580524A
Cited
GB707065A
Cited
US2787750A
Cited
US2726168A
Cited
US2760925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |