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US2947166A
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Vapour leak detector
Assignee: Atomic Energy of Canada Ltd AECL
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Filing: 1956-11-05
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Granted: 1960-08-02
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Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 James F Palmer
- 👤 Russell B Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:12
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/04; G01M3/20; G01M3/002; G01M3/16; G01M3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381450A
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US2412192A
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US2642737A
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US2706398A
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US2707880A
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US2696119A
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US2691134A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |