US2453766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for transferring measured quantities of liquefied gas
Assignee: Linde Air Products Co
•
Filing: 1943-10-29
•
Granted: 1948-11-16
•
Expires: 1963-10-29
Abstract
No abstract record available.
Inventors
- 👤 Russell M Thayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:52
CPC Classifications
F; F17; F17C; F17C9/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552
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) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |