US2830444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for storing and utilizing volatile hydrocarbons and the like
Assignee: Constock Liquid Methane Corp
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Filing: 1956-07-17
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Granted: 1958-04-15
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Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:12
CPC Classifications
B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; F17C9/00; F17C9/02; F17C9/04; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/03; F17C2201/035; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0354; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0631; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2265/00; F17C2265/03; F17C2265/032; F17C2265/033; F17C2265/034; F17C2265/036; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; F17C2270/011; F17C2270/0113; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |