US2465039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional switch block base
Assignee: SUPERIOR SWITCHBOARD AND DEVIC
•
Filing: 1945-05-12
•
Granted: 1949-03-22
•
Expires: 1965-05-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:14
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US435102A
Cited
US1203584A
Cited
US1737718A
Cited
US1728330A
Cited
US1970520A
Cited
US2086727A
Cited
US2225791A
Cited
US2261987A
Cited
US2319503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |