US2637559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic phonograph
Assignee: Raytheon Co
•
Filing: 1947-08-06
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Granted: 1953-05-05
•
Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Sven A Stolberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:57
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979195A
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US1832665A
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US1980527A
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FR822026A
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GB541156A
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US2313262A
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US2378676A
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US2295092A
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US2318654A
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US2486898A
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US2515283A
Cited
US2555895A
Cited
US2506926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |