US2689462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the storage, refrigeration, and transportation of volatile liquids
Assignee: N A HARDIN
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Filing: 1951-07-27
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Granted: 1954-09-21
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Expires: 1971-07-27
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Brandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:26
CPC Classifications
B; B63; B63J; B63J2/00; B63J2/12; B63J2/14; B60; B60P; B60P3/00; B60P3/22; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |