Patent US2012361A successfully refreshed from Google Patents.
US2012361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling liquefied gases
Assignee: Phillips Petroleum Co
•
Filing: 1931-09-25
•
Granted: 1935-08-27
•
Expires: 1951-09-25
Abstract
No abstract record available.
Inventors
- 👤 Rosswell W Thomas
- 👤 Frederick J Harlow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:03
CPC Classifications
F; F17; F17C; F17C7/00; F17C7/02; F17C7/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-08-26 | 1939-02-25 | 1939-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-26 | 1943-02-25 | 1943-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-26 | 1947-02-25 | 1947-08-27 | $7700.00 | Window Closed / Lapsed |