US2615960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable capacitance device
Assignee: Motors Liquidation Co
•
Filing: 1946-11-04
•
Granted: 1952-10-28
•
Expires: 1966-11-04
Abstract
No abstract record available.
Inventors
- 👤 Wesley S Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:55
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02; H; H04; H04R; H04R19/00; H04R19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708073A
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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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |