Patent US2698430A successfully refreshed from Google Patents.
US2698430A
Expired / Lapsed
US
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Device for the detection of leaks in pressurized cables
Assignee: Alsacienne de Constructions Mecaniques SA
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Filing: 1952-05-06
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Granted: 1954-12-28
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Expires: 1972-05-06
Abstract
No abstract record available.
Inventors
- 👤 Chavigner Andre Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:57
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/16; G01M3/18; G01M3/181; G01M3/26; G01M3/28; G01M3/2838
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US996091A
Cited
GB355630A
Cited
US2058256A
Cited
US2305096A
Cited
US2520624A
Cited
US2523017A
Cited
US2600891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |