Patent US2479975A successfully refreshed from Google Patents.
US2479975A
Expired / Lapsed
US
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Control device for turntables
Assignee: Individual
•
Filing: 1944-03-02
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Granted: 1949-08-23
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Expires: 1964-03-02
Abstract
No abstract record available.
Inventors
- 👤 John J Shively
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:22
CPC Classifications
H; H04; H04Q; H04Q9/00; H04Q9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1930159A
Cited
US1974207A
Cited
US2094777A
Cited
US2013649A
Cited
US2085442A
Cited
US2079837A
Cited
US2334965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |