US2664293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive construction for phonographs or the like
Assignee: Dictaphone Corp
•
Filing: 1948-08-30
•
Granted: 1953-12-29
•
Expires: 1968-08-30
Abstract
No abstract record available.
Inventors
- 👤 Yerkovich Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:44
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1575637A
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GB209916A
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US1801755A
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US1992575A
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US2288849A
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US2289555A
Cited
US2284043A
Cited
US2333980A
Cited
US2274702A
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US2360488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |