US2485575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door operated phonographic apparatus
Assignee: Lanteris Space LLC
•
Filing: 1945-04-18
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Granted: 1949-10-25
•
Expires: 1965-04-18
Abstract
No abstract record available.
Inventors
- 👤 Elmer O Deaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:17
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/05; G11B17/051; G11B17/0515; G11B17/0401; G11B17/0405; G11B17/0407; G11B3/00; G11B3/02; G11B3/08; G11B3/085; G11B3/08503; G11B3/08506; G11B3/08509; G11B3/09; G11B3/093; G11B33/00; G11B33/02; G11B33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1331214A
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US756289A
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GB190926739A
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US1072346A
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US1250751A
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US1247441A
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US1371984A
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US1455209A
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US1517690A
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US2100686A
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US2280685A
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GB539492A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |