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US2908158A
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Leakage testing apparatus with fluid pressure regulator
Assignee: Union Carbide Corp
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Filing: 1954-10-04
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Granted: 1959-10-13
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Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Wilgot J Jacobsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:34
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2876; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7794; Y10T137/7795; Y10T137/7822; Y10T137/7828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1515911A
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US1731519A
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US1883690A
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US1940455A
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US2212210A
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US2128116A
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US2362352A
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US2515252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |