US2602118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitive rotatable coupler
Assignee: Individual
•
Filing: 1945-08-08
•
Granted: 1952-07-01
•
Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 Robert J Adams
- 👤 Lee R Dobler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/06; H01P1/062; H01P1/066; H01P1/068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256538A
Cited
US2401344A
Cited
US2292791A
Cited
US2320124A
Cited
US2402540A
Cited
US2405616A
Cited
US2402603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |