US3191394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conservation arrangement and method
Assignee: Union Tank Car Co
•
Filing: 1963-03-26
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Granted: 1965-06-29
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Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Hazelton H Avery
- 👤 Rolland G Sturm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:19
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/22; C; C10; C10L; C10L1/00; C10L1/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A VOLATILE LIQUID STORAGE TANK INCLUDING A LIQUID CONTAINING PORTION AND A CHAMBER PORTION WHEREIN VAPORS COLLECT, A CONSERVATION ARRANGEMENT COMPRISING; VERTICALLY DISPOSED PASSAGE MEANS IN THE CHAMBER PORTION, SAID PASSAGE MEANS BEING OPEN TO THE CHAMBER PORTION AT AN UPPER END AND AT A LOWER END OF SAID PASSAGE MEANS, A SOURCE OF LIQUID MERCURY, AND MEANS FOR SPRAYING SAID LIQUID MERCURY DOWNWARDLY THROUGH SAID PASSAGE MEANS TO COOL WARM VAPORS IN SAID PASSAGE MEANS FROM SAID DRAFT IS CREATED THROUGH SAID PASSAGE MEANS FROM SAID UPPER END TO SAID LOWER END, SAID WARM VAPORS BEING COOLED AND COALESCED WHILE BEING DRAWN THROUGH SAID PASSAGE MEANS TO REDUCE THE PRESSURE IN SAID CHAMBER PORTION.
Claim 2
Dependent Claim
116 words
IN A VOLATILE LIQUID STORAGE TANK INCLUDING A LIQUID CONTAINING PORTION AND A CHAMBER PORTION WHEREIN VAPORS COLLECT, A CONSERVATION ARRANGEMENT COMPRISING; VERTICALLY DISPOSED PASSAGE MEANS IN THE CHAMBER PORTION, SAID PASSAGE MEANS BEING OPEN TO THE CHAMBER PORTION AT AN UPPER END AND AT A LOWER END OF SAID PASSAGE MEANS, A SOURCE OF LIQUID MERCURY, AND MEANS FOR SPRAYING SAID LIQUID MERCURY DOWNWARDLY THROUGH SAID PASSAGE MEANS TO COOL WARM VAPORS IN SAID PASSAGE MEANS FROM SAID DRAFT IS CREATED THROUGH SAID PASSAGE MEANS FROM SAID UPPER END TO SAID LOWER END, SAID WARM VAPORS BEING COOLED AND COALESCED WHILE BEING DRAWN THROUGH SAID PASSAGE MEANS TO REDUCE THE PRESSURE IN SAID CHAMBER PORTION.
References Cited (Backward Citations)
US636256A
Cited
US1545352A
Cited
US2155399A
Cited
FR57354E
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US2611511A
Cited
US2790307A
Cited
US2944405A
Cited
GB821003A
Cited
US2986893A
Cited
US3108447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |