US2780921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas distribution systems for a multiplicity of tanks containing liquefied hydrocarbons
Assignee: Union Stock Yard and Transit Co
•
Filing: 1953-10-27
•
Granted: 1957-02-12
•
Expires: 1973-10-27
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:25
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F17C13/00; F17C13/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/013; F17C2205/0134; F17C2205/0142; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0382; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2265/00; F17C2265/03; F17C2265/032; F17C2265/06; F17C2265/066; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105; F17C2270/011; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/474; Y10T137/7722; Y10T137/7837; Y10T137/7869
Claims Analysis
Total Claims: 0
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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) | 1960-02-12 | 1960-08-13 | 1961-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-12 | 1964-08-13 | 1965-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-12 | 1968-08-13 | 1969-02-12 | $7700.00 | Window Closed / Lapsed |