Patent US2590160A successfully refreshed from Google Patents.
US2590160A
Expired / Lapsed
US
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Means for sealing conductor end structures
Assignee: Balfour Beatty PLC
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Filing: 1950-06-07
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Granted: 1952-03-25
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Expires: 1970-06-07
Abstract
No abstract record available.
Inventors
- 👤 Dixon Henry Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/20; H01R43/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |