Patent US3415408A successfully refreshed from Google Patents.
US3415408A
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Insulated tank
Assignee: Boeing North American Inc
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Filing: 1965-09-14
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Granted: 1968-12-10
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Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Seitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:33
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0128; F17C2203/00; F17C2203/01; F17C2203/011; F17C2203/012; F17C2203/014; F17C2203/03; F17C2203/0304; F17C2203/0308; F17C2203/032; F17C2203/0375; F17C2203/0379; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2203/0646; F17C2203/0656; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/012; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/012; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0184; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2702458A
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US2892563A
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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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |