Patent US2803465A successfully refreshed from Google Patents.
US2803465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic phonograph with novel tone arm control
Assignee: MILWAUKEE STAMPING Co
•
Filing: 1951-09-07
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Granted: 1957-08-20
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Expires: 1971-09-07
Abstract
No abstract record available.
Inventors
- 👤 Daniel T Dobrogowski
- 👤 Ralph M Roen
- 👤 Robert H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:35
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/085; G11B3/08535; G11B3/08538; G11B3/08541; G11B3/08545
Claims Analysis
Total Claims: 0
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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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |