Patent US2852606A successfully refreshed from Google Patents.
US2852606A
Expired / Lapsed
US
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Electrical communication systems and method of transmitting energy
Assignee: Individual
•
Filing: 1952-09-17
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Granted: 1958-09-16
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Expires: 1972-09-17
Abstract
No abstract record available.
Inventors
- 👤 Curry Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:36
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896235A
Cited
US1652092A
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US2055309A
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US2283575A
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US2380982A
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US2478920A
Cited
US2522368A
Cited
US2534106A
Cited
US2548795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |