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US2969092A
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Method and apparatus for containing a liquified gas
Assignee: Herrick L Johnston Inc
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Filing: 1955-10-21
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Granted: 1961-01-24
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Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 Herrick L Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:20
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/141; F16L59/06; F16L59/065; F17; F17C; F17C13/00; F17C13/001; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S62/00; Y10S62/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2164143A
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US2396459A
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US2626813A
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US2745173A
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US2699583A
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US2761949A
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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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |