US2602856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power distribution system
Assignee: Individual
•
Filing: 1948-08-18
•
Granted: 1952-07-08
•
Expires: 1968-08-18
Abstract
No abstract record available.
Inventors
- 👤 Victor H Rumsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:06
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06; H01Q21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2241616A
Cited
US2283620A
Cited
GB592119A
Cited
US2502359A
Cited
US2508030A
Cited
US2465843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |