Patent US3479038A successfully refreshed from Google Patents.
US3479038A
Expired / Lapsed
US
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Radial phonograph pickup arm and turntable combination using air bearings
Assignee: Individual
•
Filing: 1967-10-04
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Granted: 1969-11-18
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ira Leonard Eisner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:21
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/10; G11B3/12; G11B3/20; G11B19/00; G11B19/20; G11B19/2009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2219230A
Cited
US2684272A
Cited
US3103364A
Cited
US3249361A
Cited
US3254897A
Cited
US3313548A
Cited
US3390886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |