US3555509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Numerical storage phonograph selector
Assignee: Wurlitzer Co
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Filing: 1968-01-22
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Granted: 1971-01-12
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Expires: 1988-01-22
Abstract
Abstract AN AUTOMATIC OR COIN-OPERATED PHONOGRAPH WHEREIN SELECTIONS ARE STORED IN A MEMORY DEVICE OF AN ELECTRICAL OR ELECTROMAGNETIC NATURE HAVING A NUMERICAL BUT NOT A POSITIONAL RELATIONSHIP TO THE RECORDS IN THE PHONOGRAPH, AND HAVING MEMORY BANKS OF LESSER NUMBER THAN THE RECORD SELECTIONS.
Inventors
- 👤 Alvan Donald Arsem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:18
CPC Classifications
A; A01; A01B; A01B17/00; G; G11; G11B; G11B17/00; G11B17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |