US2082189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of liquefying and storing fuel gases
Assignee: Individual
•
Filing: 1934-05-09
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Granted: 1937-06-01
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Expires: 1954-05-09
Abstract
No abstract record available.
Inventors
- 👤 Lee S Twomey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:42
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/006; F25J1/008; F25J1/0085; F25J1/0002; F25J1/0022; F25J1/003; F25J1/0032; F25J1/004; F25J1/0045; F25J1/0047; F25J1/0052; F25J1/0095; F25J1/0097; F25J1/02; F25J1/0203; F25J1/0208; F25J1/0228; F25J1/0232; F25J1/0243; F25J1/0257; F25J1/0261; F25J1/0262; F25J1/0264; F25J1/0265; F25J1/0267; F25J1/0268; F25J2205/00; F25J2205/02; F25J2205/04; F25J2205/20; F25J2205/84; F25J2220/00; F25J2220/60; F25J2220/66; F25J2220/68; F25J2270/00; F25J2270/60; F25J2270/80; F25J2270/90; F25J2290/00; F25J2290/34; F25J2290/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-05-31 | 1940-11-30 | 1941-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-31 | 1944-11-30 | 1945-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-31 | 1948-11-30 | 1949-06-01 | $7700.00 | Window Closed / Lapsed |