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Patent US2740825A successfully refreshed from Google Patents.
US2740825A
Expired / Lapsed
US
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Stop for fluid filled cable systems
Assignee: Consolidated Edison Company of New York Inc
•
Filing: 1952-05-20
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Granted: 1956-04-03
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Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Ray C Rifenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:44
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/20; H02G15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US6974A
Cited
US58469A
Cited
US126953A
Cited
US943023A
Cited
US1039316A
Cited
US1536080A
Cited
US1918036A
Cited
US1947481A
Cited
US2162104A
Cited
US2260850A
Cited
US2309658A
Cited
US2540898A
Cited
US2584501A
Cited
US2468773A
Cited
US2474790A
Cited
US2540932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |