Patent US3440830A successfully refreshed from Google Patents.
US3440830A
Expired / Lapsed
US
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Cryogenic liquid transfer tube,methods of constructing tube and of transferring liquid
Assignee: US Philips Corp
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Filing: 1967-06-26
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Granted: 1969-04-29
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Norman K Wright
- 👤 Maurice E Kite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:50
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/18; F16L59/00; F16L59/02; F16L59/028; F16L59/06; F16L59/065; F17; F17C; F17C6/00; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0119; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/013; F17C2203/03; F17C2203/0304; F17C2203/0345; F17C2203/035; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2221/00; F17C2221/01; F17C2221/014; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2722105A
Cited
US2981278A
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US3240234A
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US3130555A
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US3137143A
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US3201947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |