US3460386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and a device for checking a tank for leakage
Assignee: IGEWA AG
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Filing: 1967-03-23
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Granted: 1969-08-12
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Expires: 1987-03-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin Guignard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:29
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/32; G01M3/3236; G01M3/3245; B; B65; B65D; B65D90/00; B65D90/48; B65D90/50; B65D90/51; B65D90/511; G01F; G01F23/00; G01F23/0023; G01F23/0038; G01F23/02; F; F16; F16L; F16L2101/00; F16L2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |