US2486480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Volume control
Assignee: Reconstruction Finance Corp
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Filing: 1946-02-08
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Granted: 1949-11-01
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Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 Charles N Kimball
- 👤 Ben E Brown
- 👤 Jr Simeon R Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:10
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22; H03G3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |