US3495732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated cryogenic tank
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1967-07-28
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Granted: 1970-02-17
•
Expires: 1987-07-28
Abstract
No abstract record available.
Inventors
- 👤 James S Clarke
- 👤 Guido G Karcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:44
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; F17C2201/00; F17C2201/01; F17C2201/0147; F17C2201/0157; F17C2201/03; F17C2201/035; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/0333; F17C2203/0358; F17C2203/06; F17C2203/0602; F17C2203/0607; F17C2203/0612; F17C2203/0614; F17C2203/0619; F17C2203/0621; F17C2203/0624; F17C2203/0626; F17C2203/0631; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0646; F17C2203/0648; F17C2205/00; F17C2205/01; F17C2205/0103; F17C2205/0111; F17C2205/0123; F17C2205/0126; F17C2209/00; F17C2209/22; F17C2209/221; F17C2209/23; F17C2209/232; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/03; F17C2260/031; F17C2260/033; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; F17C2270/0107; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1251830A
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US3158459A
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US3261087A
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US3319431A
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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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |