US3433026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Staged isenthalpic-isentropic expansion of gas from a pressurized liquefied state to a terminal storage state
Assignee: Individual
•
Filing: 1966-11-07
•
Granted: 1969-03-18
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Expires: 1986-11-07
Abstract
No abstract record available.
Inventors
- 👤 Judson S Swearingen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:41
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/003; F25J1/0032; F25J1/0035; F25J1/0037; F25J1/0002; F25J1/0022; F25J1/004; F25J1/02; F25J1/0203; F25J1/0208; F25J1/0243; F25J1/0279; F25J1/0285; F25J1/0288; F25J2205/00; F25J2205/02; F25J2230/00; F25J2230/20; F25J2240/00; F25J2240/40; F25J2270/00; F25J2270/04; F25J2270/06; F25J2270/90; F25J2290/00; F25J2290/10
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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |